diff --git a/admin/linux/build-appimage.sh b/admin/linux/build-appimage.sh
index c6f255333e9f..15a72c9be1e0 100755
--- a/admin/linux/build-appimage.sh
+++ b/admin/linux/build-appimage.sh
@@ -53,7 +53,7 @@ rm -rf usr/include
 rm -rf usr/mkspecs
 rm -rf usr/lib/x86_64-linux-gnu/
 
-# Don't bundle the explorer extentions as we can't do anything with them in the AppImage
+# Don't bundle the explorer extensions as we can't do anything with them in the AppImage
 rm -rf usr/share/caja-python/
 rm -rf usr/share/nautilus-python/
 rm -rf usr/share/nemo-python/
diff --git a/admin/linux/debian/scripts/git2changelog.cfg b/admin/linux/debian/scripts/git2changelog.cfg
index 0ba49ea968fc..31cde1c4bef9 100644
--- a/admin/linux/debian/scripts/git2changelog.cfg
+++ b/admin/linux/debian/scripts/git2changelog.cfg
@@ -1,7 +1,7 @@
 # Use the configuration below with appropriate changes,
 # if you want to support a new client version using
 # your own fork. In such a case the tags do not come
-# accross to the main repo for a pull request, so
+# across to the main repo for a pull request, so
 # some hacking is needed
 [versionhack]
 commit = bc7e65b39552ac458b2adacf76cbf98735ec29a0
diff --git a/admin/osx/CMakeLists.txt b/admin/osx/CMakeLists.txt
index 226d7d4eeefd..060539d568da 100644
--- a/admin/osx/CMakeLists.txt
+++ b/admin/osx/CMakeLists.txt
@@ -1,5 +1,5 @@
 
-# Check if varialbe MAC_INSTALLER_BACKGROUND_FILE is defined.
+# Check if variable MAC_INSTALLER_BACKGROUND_FILE is defined.
 # Make sure that the MAC_INSTALLER_BACKGROUND_FILE contains the full path, ie.
 # includes CMAKE_SOURCE_DIR or so.
 
diff --git a/cmake/modules/CheckPrototypeDefinition.cmake b/cmake/modules/CheckPrototypeDefinition.cmake
index 2342b3c4f7a4..5d16eba4e0c2 100644
--- a/cmake/modules/CheckPrototypeDefinition.cmake
+++ b/cmake/modules/CheckPrototypeDefinition.cmake
@@ -1,4 +1,4 @@
-# - Check if the protoype we expect is correct.
+# - Check if the prototype we expect is correct.
 # check_prototype_definition(FUNCTION PROTOTYPE RETURN HEADER VARIABLE)
 #  FUNCTION - The name of the function (used to check if prototype exists)
 #  PROTOTYPE- The prototype to check.
diff --git a/cmake/modules/ECMFindModuleHelpers.cmake b/cmake/modules/ECMFindModuleHelpers.cmake
index f2e32f959e88..4e7ca880db3b 100644
--- a/cmake/modules/ECMFindModuleHelpers.cmake
+++ b/cmake/modules/ECMFindModuleHelpers.cmake
@@ -68,7 +68,7 @@
 # If SKIP_DEPENDENCY_HANDLING is not set, the INTERFACE_LINK_LIBRARIES property
 # of the imported target for <component> will be set to contain the imported
 # targets for the components listed in <name>_<component>_component_deps.
-# <component>_FOUND will also be set to false if any of the compoments in
+# <component>_FOUND will also be set to false if any of the components in
 # <name>_<component>_component_deps are not found.  This requires the components
 # in <name>_<component>_component_deps to be listed before <component> in the
 # COMPONENTS argument.
diff --git a/cmake/modules/MacroLogFeature.cmake b/cmake/modules/MacroLogFeature.cmake
index 45e27b6dff4f..631c7ac0220e 100644
--- a/cmake/modules/MacroLogFeature.cmake
+++ b/cmake/modules/MacroLogFeature.cmake
@@ -7,7 +7,7 @@
 #   FEATURE: name of the feature, e.g. "libjpeg"
 #   DESCRIPTION: description what this feature provides
 #   URL: home page
-#   REQUIRED: TRUE or FALSE, indicating whether the featue is required
+#   REQUIRED: TRUE or FALSE, indicating whether the feature is required
 #   MIN_VERSION: minimum version number. empty string if unneeded
 #   COMMENTS: More info you may want to provide.  empty string if unnecessary
 #
diff --git a/cmake/scripts/generate_lib_file b/cmake/scripts/generate_lib_file
index 756d340c3494..8fee25703c1b 100644
--- a/cmake/scripts/generate_lib_file
+++ b/cmake/scripts/generate_lib_file
@@ -29,7 +29,7 @@ project=gets.chomp
 
 printf("\n")
 
-print("Other projects to include (e.g. \"owutil tinyxml\", leave emtpy to skip): ")
+print("Other projects to include (e.g. \"owutil tinyxml\", leave empty to skip): ")
 otherprojects=gets.chomp
 
 printf("\n")
diff --git a/doc/_shared_assets/themes/bootstrap/layout.html b/doc/_shared_assets/themes/bootstrap/layout.html
index 8bc387f2e4e5..c3febbe482ac 100644
--- a/doc/_shared_assets/themes/bootstrap/layout.html
+++ b/doc/_shared_assets/themes/bootstrap/layout.html
@@ -2,7 +2,7 @@
 {% set script_files = script_files + ['_static/bootstrap.js'] %}
 {% set css_files = ['_static/bootstrap.css', '_static/bootstrap-sphinx.css'] + css_files %}
 
-{# Sidebar: Rework into our Boostrap nav section. #}
+{# Sidebar: Rework into our Bootstrap nav section. #}
 {% macro navBar() %}
   <div id="navbar" class="navbar navbar-fixed-top">
     <div class="navbar-inner">
diff --git a/doc/_shared_assets/themes/nextcloud_com/static/bootstrap-sphinx.css_t b/doc/_shared_assets/themes/nextcloud_com/static/bootstrap-sphinx.css_t
index 985fe4533cbb..794d8396b27a 100644
--- a/doc/_shared_assets/themes/nextcloud_com/static/bootstrap-sphinx.css_t
+++ b/doc/_shared_assets/themes/nextcloud_com/static/bootstrap-sphinx.css_t
@@ -193,7 +193,7 @@ table.field-list {
 .bs-sidenav ul{
   list-style-type: none;
   padding-left: 25px;
-  margin-left: 0;  /* bootstrap 2 compatability. */
+  margin-left: 0;  /* bootstrap 2 compatibility. */
 }
 
 @media (min-width: 1200px) {
diff --git a/doc/_shared_assets/themes/nextcloud_com/theme.conf b/doc/_shared_assets/themes/nextcloud_com/theme.conf
index 44eb42d65126..abc5866cc802 100644
--- a/doc/_shared_assets/themes/nextcloud_com/theme.conf
+++ b/doc/_shared_assets/themes/nextcloud_com/theme.conf
@@ -12,7 +12,7 @@ pygments_style = tango
 # Tab name for entire site. (Default: "Site")
 navbar_site_name = Sitex
 
-# A list of tuples containting pages to link to.  The value should be
+# A list of tuples containing pages to link to.  The value should be
 # in the form [(name, page), ..]
 navbar_links =
 
diff --git a/doc/_shared_assets/themes/nextcloud_release/static/bootstrap-sphinx.css_t b/doc/_shared_assets/themes/nextcloud_release/static/bootstrap-sphinx.css_t
index 985fe4533cbb..794d8396b27a 100644
--- a/doc/_shared_assets/themes/nextcloud_release/static/bootstrap-sphinx.css_t
+++ b/doc/_shared_assets/themes/nextcloud_release/static/bootstrap-sphinx.css_t
@@ -193,7 +193,7 @@ table.field-list {
 .bs-sidenav ul{
   list-style-type: none;
   padding-left: 25px;
-  margin-left: 0;  /* bootstrap 2 compatability. */
+  margin-left: 0;  /* bootstrap 2 compatibility. */
 }
 
 @media (min-width: 1200px) {
diff --git a/doc/_shared_assets/themes/nextcloud_release/theme.conf b/doc/_shared_assets/themes/nextcloud_release/theme.conf
index 44eb42d65126..abc5866cc802 100644
--- a/doc/_shared_assets/themes/nextcloud_release/theme.conf
+++ b/doc/_shared_assets/themes/nextcloud_release/theme.conf
@@ -12,7 +12,7 @@ pygments_style = tango
 # Tab name for entire site. (Default: "Site")
 navbar_site_name = Sitex
 
-# A list of tuples containting pages to link to.  The value should be
+# A list of tuples containing pages to link to.  The value should be
 # in the form [(name, page), ..]
 navbar_links =
 
diff --git a/doc/building.rst b/doc/building.rst
index 2d4541e6ac8d..f4599fda5519 100644
--- a/doc/building.rst
+++ b/doc/building.rst
@@ -110,7 +110,7 @@ Then, in Terminal:
 
       % /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
 
-.. note:: Under certain cirumstances, you may get on error along the
+.. note:: Under certain circumstances, you may get on error along the
    lines of ``Permission denied @ apply2files`` when installing certain
    Homebrew packages. This is `a known issue`_ and can be fixed by changing
    the permissions on the affected files with the following command:
diff --git a/doc/conf.py b/doc/conf.py
index 2446856045b5..0a7145568472 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -273,7 +273,7 @@
 # The format is a list of tuples containing the path and title.
 #epub_pre_files = []
 
-# HTML files shat should be inserted after the pages created by sphinx.
+# HTML files that should be inserted after the pages created by sphinx.
 # The format is a list of tuples containing the path and title.
 #epub_post_files = []
 
diff --git a/doc/conffile.rst b/doc/conffile.rst
index 278aae5b93b6..8d403df30bd8 100644
--- a/doc/conffile.rst
+++ b/doc/conffile.rst
@@ -57,7 +57,7 @@ Some interesting values that can be set on the configuration file are:
 |                                  |                          | This option only works on linux                                                                        |
 +----------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------+
 | ``showExperimentalOptions``      | ``false``                | Whether to show experimental options that are still undergoing testing in the user interface.          |
-|                                  |                          | Turning this on does not enable experimental behavior on its own. It does enable user inferface        |
+|                                  |                          | Turning this on does not enable experimental behavior on its own. It does enable user interface        |
 |                                  |                          | options that can be used to opt in to experimental features.                                           |
 +----------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------+
 | ``showMainDialogAsNormalWindow`` | ``false``                | Whether the main dialog should be shown as a normal window even if tray icons are available.           |
diff --git a/doc/conflicts.rst b/doc/conflicts.rst
index 3ab2593369d2..4b195cb11247 100644
--- a/doc/conflicts.rst
+++ b/doc/conflicts.rst
@@ -11,7 +11,7 @@ The Nextcloud desktop client uploads local changes and downloads remote changes.
 When a file has changed on the local side and on the remote between synchronization
 runs the client will be unable to resolve the situation on its own. It will
 create a conflict file with the local version, download the remote version and
-notify the user that a conflict occured which needs attention.
+notify the user that a conflict occurred which needs attention.
 
 Example
 -------
diff --git a/doc/dev/Doxyfile.in b/doc/dev/Doxyfile.in
index c56f1a576b88..3409b4819905 100644
--- a/doc/dev/Doxyfile.in
+++ b/doc/dev/Doxyfile.in
@@ -1067,7 +1067,7 @@ HTML_STYLESHEET        =
 # defined cascading style sheet that is included after the standard style sheets
 # created by doxygen. Using this option one can overrule certain style aspects.
 # This is preferred over using HTML_STYLESHEET since it does not replace the
-# standard style sheet and is therefor more robust against future updates.
+# standard style sheet and is therefore more robust against future updates.
 # Doxygen will copy the style sheet file to the output directory. For an example
 # see the documentation.
 # This tag requires that the tag GENERATE_HTML is set to YES.
@@ -1951,7 +1951,7 @@ PREDEFINED             = OWNCLOUDSYNC_EXPORT
 EXPAND_AS_DEFINED      =
 
 # If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will
-# remove all refrences to function-like macros that are alone on a line, have an
+# remove all references to function-like macros that are alone on a line, have an
 # all uppercase name, and do not end with a semicolon. Such function macros are
 # typically used for boiler-plate code, and will confuse the parser if not
 # removed.
diff --git a/doc/introduction.rst b/doc/introduction.rst
index 40677515da98..21ad02ad4e5b 100644
--- a/doc/introduction.rst
+++ b/doc/introduction.rst
@@ -19,7 +19,7 @@ The |version| release of the Nextcloud desktop sync client has many new features
 improvements.
 
   * Main dialog will be a regular window if tray icons are not available on the system.
-  * Virtual files wil be optional. That enables the desktop client to run on older Windows versions.
+  * Virtual files will be optional. That enables the desktop client to run on older Windows versions.
   * Improvements for the virtual files on Windows
   * Network traffic performance improvements
   * Improvements to the sync engine
diff --git a/doc/navigating.rst b/doc/navigating.rst
index f152b9204aa4..cb1301774dd9 100644
--- a/doc/navigating.rst
+++ b/doc/navigating.rst
@@ -227,7 +227,7 @@ folders larger than [folder size]**.
 Using the Network Window
 ------------------------
 
-.. index:: proxy settings, SOCKS, bandwith, throttling, limiting
+.. index:: proxy settings, SOCKS, bandwidth, throttling, limiting
 
 The Network settings window enables you to define network proxy settings, and
 also to limit download and upload bandwidth.
diff --git a/doc/visualtour.rst b/doc/visualtour.rst
index 4081dea179c8..5a3bb3e0e1c1 100644
--- a/doc/visualtour.rst
+++ b/doc/visualtour.rst
@@ -124,7 +124,7 @@ The tab provides several useful options:
 Network
 ~~~~~~~
 
-.. index:: proxy settings, SOCKS, bandwith, throttling, limiting
+.. index:: proxy settings, SOCKS, bandwidth, throttling, limiting
 
 This tab consolidates ``Proxy Settings`` and ``Bandwith Limiting``:
 
diff --git a/shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/LineProcessor.m b/shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/LineProcessor.m
index 56ec7046a2b5..50101792f0a2 100644
--- a/shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/LineProcessor.m
+++ b/shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/LineProcessor.m
@@ -94,8 +94,8 @@ -(void)process:(NSString*)line
             [self.delegate addMenuItem:item];
         });
     } else {
-        // LOG UNKOWN COMMAND
-        NSLog(@"Unkown command: %@", command);
+        // LOG UNKNOWN COMMAND
+        NSLog(@"Unknown command: %@", command);
     }
 }
 
diff --git a/shell_integration/nautilus/createcajaplugin.sh b/shell_integration/nautilus/createcajaplugin.sh
index 8912d4a3f392..ee8fa970ff61 100755
--- a/shell_integration/nautilus/createcajaplugin.sh
+++ b/shell_integration/nautilus/createcajaplugin.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # this script creates a plugin for caja, just by replacing
-# all occurences of Nautilus with Caja (case sensitive).
+# all occurrences of Nautilus with Caja (case sensitive).
 
 cp syncstate.py syncstate_caja.py
 sed -i.org -e 's/Nautilus/Caja/g' syncstate_caja.py
diff --git a/shell_integration/nautilus/createnemoplugin.sh b/shell_integration/nautilus/createnemoplugin.sh
index 0e08affc49f5..a31c32d4eafd 100755
--- a/shell_integration/nautilus/createnemoplugin.sh
+++ b/shell_integration/nautilus/createnemoplugin.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # this script creates a plugin for nemo, just be replacing
-# all occurences of Nautilus with Nemo.
+# all occurrences of Nautilus with Nemo.
 
 cp syncstate.py syncstate_nemo.py
 sed -i.org -e 's/autilus/emo/g' syncstate_nemo.py
diff --git a/shell_integration/nautilus/setappname.sh b/shell_integration/nautilus/setappname.sh
index 6e8d5f3f7a9a..58bee2b39df0 100755
--- a/shell_integration/nautilus/setappname.sh
+++ b/shell_integration/nautilus/setappname.sh
@@ -3,6 +3,6 @@
 # this script replaces the line
 #  appname = 'Nextcloud'
 # with the correct branding name in the syncstate.py script
-# It also replaces the occurences in the class name so several
+# It also replaces the occurrences in the class name so several
 # branding can be loaded (see #6524)
 sed -i.org -e "s/Nextcloud/$1/g" syncstate.py
diff --git a/shell_integration/nautilus/syncstate.py b/shell_integration/nautilus/syncstate.py
index f5116d1839e7..eb5e0a087b99 100644
--- a/shell_integration/nautilus/syncstate.py
+++ b/shell_integration/nautilus/syncstate.py
@@ -105,7 +105,7 @@ def _connectToSocketServer(self):
                 return False  # Don't run again
             except Exception as e:
                 print("Could not connect to unix socket " + sock_file + ". " + str(e))
-        except Exception as e:  # Bad habbit
+        except Exception as e:  # Bad habit
             print("Connect could not be established, try again later.")
             self._sock.close()
 
diff --git a/shell_integration/windows/NCOverlays/NCOverlay.cpp b/shell_integration/windows/NCOverlays/NCOverlay.cpp
index de1098648da1..a70f38b23248 100644
--- a/shell_integration/windows/NCOverlays/NCOverlay.cpp
+++ b/shell_integration/windows/NCOverlays/NCOverlay.cpp
@@ -98,8 +98,8 @@ IFACEMETHODIMP_(ULONG) NCOverlay::Release()
 
 IFACEMETHODIMP NCOverlay::GetPriority(int *pPriority)
 {
-    // this defines which handler has prededence, so
-    // we order this in terms of likelyhood
+    // this defines which handler has precedence, so
+    // we order this in terms of likelihood
     switch (_state) {
     case State_OK:
         *pPriority = 0; break;
diff --git a/shell_integration/windows/WinShellExt.wxs.in b/shell_integration/windows/WinShellExt.wxs.in
index 5fe6a379db8f..6b770dfe7f72 100644
--- a/shell_integration/windows/WinShellExt.wxs.in
+++ b/shell_integration/windows/WinShellExt.wxs.in
@@ -37,7 +37,7 @@
         <?define OverlayGuidWarning     = "@WIN_SHELLEXT_OVERLAY_GUID_WARNING@" ?>
 
         <!--
-            Preceeding spaces are intended, two spaces to put us ahead of the competition :/
+            Preceding spaces are intended, two spaces to put us ahead of the competition :/
 
             There is a limit in Windows (oh wonder^^) so that only the first 15 extensions get invoked, this is why to use that dirty little trick to get ahead ;)
             See: https://docs.microsoft.com/en-us/windows/win32/shell/context-menu-handlers?redirectedfrom=MSDN#employing-the-verb-selection-model
diff --git a/shell_integration/windows/WinShellExtConstants.h.in b/shell_integration/windows/WinShellExtConstants.h.in
index b87e7cdabd63..97014ea1f255 100644
--- a/shell_integration/windows/WinShellExtConstants.h.in
+++ b/shell_integration/windows/WinShellExtConstants.h.in
@@ -30,7 +30,7 @@
 #define OVERLAY_GUID_WARNING        L"@WIN_SHELLEXT_OVERLAY_GUID_WARNING@"
 
 //
-// Preceeding spaces are intended, two spaces to put us ahead of the competition :/
+// Preceding spaces are intended, two spaces to put us ahead of the competition :/
 //
 // There is a limit in Windows (oh wonder^^) so that only the first 15 extensions get invoked, this is why to use that dirty little trick to get ahead ;)
 // See: https://docs.microsoft.com/en-us/windows/win32/shell/context-menu-handlers?redirectedfrom=MSDN#employing-the-verb-selection-model
diff --git a/src/common/filesystembase.cpp b/src/common/filesystembase.cpp
index dc313e59ac65..26d6b9f3121a 100644
--- a/src/common/filesystembase.cpp
+++ b/src/common/filesystembase.cpp
@@ -172,7 +172,7 @@ bool FileSystem::uncheckedRenameReplace(const QString &originFileName,
 #ifndef Q_OS_WIN
     bool success = false;
     QFile orig(originFileName);
-    // We want a rename that also overwites.  QFile::rename does not overwite.
+    // We want a rename that also overwrites.  QFile::rename does not overwrite.
     // Qt 5.1 has QSaveFile::renameOverwrite we could use.
     // ### FIXME
     success = true;
diff --git a/src/common/syncjournaldb.h b/src/common/syncjournaldb.h
index b83a33e2cc2e..d9a3e36b84b3 100644
--- a/src/common/syncjournaldb.h
+++ b/src/common/syncjournaldb.h
@@ -219,11 +219,11 @@ class OCSYNC_EXPORT SyncJournalDb : public QObject
      * This usually creates some temporary files next to the db file, like
      * $dbfile-shm or $dbfile-wal.
      *
-     * returns true if it could be openend or is currently opened.
+     * returns true if it could be opened or is currently opened.
      */
     bool open();
 
-    /** Returns whether the db is currently openend. */
+    /** Returns whether the db is currently opened. */
     bool isOpen();
 
     /** Close the database */
diff --git a/src/common/syncjournalfilerecord.h b/src/common/syncjournalfilerecord.h
index 694a34cfbcfb..7270fac13796 100644
--- a/src/common/syncjournalfilerecord.h
+++ b/src/common/syncjournalfilerecord.h
@@ -125,7 +125,7 @@ class OCSYNC_EXPORT SyncJournalErrorBlacklistRecord
     QString _file;
     QString _renameTarget;
 
-    /// The last X-Request-ID of the request that failled
+    /// The last X-Request-ID of the request that failed
     QByteArray _requestId;
 
     [[nodiscard]] bool isValid() const;
diff --git a/src/common/utility.cpp b/src/common/utility.cpp
index 07715924e3ad..9baf1377720f 100644
--- a/src/common/utility.cpp
+++ b/src/common/utility.cpp
@@ -279,7 +279,7 @@ void Utility::usleep(int usec)
     QThread::usleep(usec);
 }
 
-// This can be overriden from the tests
+// This can be overridden from the tests
 OCSYNC_EXPORT bool fsCasePreserving_override = []() -> bool {
     QByteArray env = qgetenv("OWNCLOUD_TEST_CASE_PRESERVING");
     if (!env.isEmpty())
@@ -298,7 +298,7 @@ bool Utility::fileNamesEqual(const QString &fn1, const QString &fn2)
     const QDir fd2(fn2);
 
     // Attention: If the path does not exist, canonicalPath returns ""
-    // ONLY use this function with existing pathes.
+    // ONLY use this function with existing paths.
     const QString a = fd1.canonicalPath();
     const QString b = fd2.canonicalPath();
     bool re = !a.isEmpty() && QString::compare(a, b, fsCasePreserving() ? Qt::CaseInsensitive : Qt::CaseSensitive) == 0;
@@ -673,7 +673,7 @@ bool Utility::isPathWindowsDrivePartitionRoot(const QString &path)
         return false;
     }
 
-    // must mutch a pattern "[A-Za-z]:"
+    // must match a pattern "[A-Za-z]:"
     if (!(path.at(1) == QLatin1Char(':') && path.at(0).isLetter())) {
         return false;
     }
diff --git a/src/common/utility.h b/src/common/utility.h
index 5853f480dc8f..0dd693f284a7 100644
--- a/src/common/utility.h
+++ b/src/common/utility.h
@@ -145,7 +145,7 @@ namespace Utility {
     // if false, the two cases are two different files.
     OCSYNC_EXPORT bool fsCasePreserving();
 
-    // Check if two pathes that MUST exist are equal. This function
+    // Check if two paths that MUST exist are equal. This function
     // uses QDir::canonicalPath() to judge and cares for the systems
     // case sensitivity.
     OCSYNC_EXPORT bool fileNamesEqual(const QString &fn1, const QString &fn2);
@@ -167,7 +167,7 @@ namespace Utility {
      * Use this to get a string that describes the timespan between the first and
      * the second timestamp in a human readable and understandable form.
      *
-     * If the second parameter is ommitted, the current time is used.
+     * If the second parameter is omitted, the current time is used.
      */
     OCSYNC_EXPORT QString timeAgoInWords(const QDateTime &dt, const QDateTime &from = QDateTime());
 
@@ -276,7 +276,7 @@ namespace Utility {
     {
     public:
         /**
-         * NTFS permissions lookup is diabled by default for performance reasons
+         * NTFS permissions lookup is disabled by default for performance reasons
          * Enable it and disable it again once we leave the scope
          * https://doc.qt.io/Qt-5/qfileinfo.html#ntfs-permissions
          */
diff --git a/src/gui/accountsettings.cpp b/src/gui/accountsettings.cpp
index 0212a2812588..36ed056ab893 100644
--- a/src/gui/accountsettings.cpp
+++ b/src/gui/accountsettings.cpp
@@ -527,7 +527,7 @@ void AccountSettings::slotSubfolderContextMenuRequested(const QModelIndex& index
             ac = menu.addAction(tr("Encrypt"));
             connect(ac, &QAction::triggered, [this, info] { slotMarkSubfolderEncrypted(info); });
         } else {
-            // Ingore decrypting for now since it only works with an empty folder
+            // Ignore decrypting for now since it only works with an empty folder
             // connect(ac, &QAction::triggered, [this, &info] { slotMarkSubfolderDecrypted(info); });
         }
     }
diff --git a/src/gui/accountstate.h b/src/gui/accountstate.h
index d1ee6f44ab7c..5f7cebcfab43 100644
--- a/src/gui/accountstate.h
+++ b/src/gui/accountstate.h
@@ -159,12 +159,12 @@ class AccountState : public QObject, public QSharedData
     ///Asks for user credentials
     void handleInvalidCredentials();
 
-    /** Returns the notifications status retrieved by the notificatons endpoint
+    /** Returns the notifications status retrieved by the notifications endpoint
      *  https://github.com/nextcloud/desktop/issues/2318#issuecomment-680698429
     */
     bool isDesktopNotificationsAllowed() const;
 
-    /** Set desktop notifications status retrieved by the notificatons endpoint
+    /** Set desktop notifications status retrieved by the notifications endpoint
     */
     void setDesktopNotificationsAllowed(bool isAllowed);
 
diff --git a/src/gui/application.cpp b/src/gui/application.cpp
index 304df1d83532..e79516d72c22 100644
--- a/src/gui/application.cpp
+++ b/src/gui/application.cpp
@@ -722,7 +722,7 @@ void Application::parseOptions(const QStringList &options)
             // virtual file, open it after the Folder were created (if the app is not terminated)
             QTimer::singleShot(0, this, [this, option] { openVirtualFile(option); });
         } else if (option.startsWith(QStringLiteral(APPLICATION_URI_HANDLER_SCHEME "://open"))) {
-            // see the section Local file editing of the Architecture page of the user documenation
+            // see the section Local file editing of the Architecture page of the user documentation
             _editFileLocallyUrl = QUrl::fromUserInput(option);
             if (!_editFileLocallyUrl.isValid()) {
                 _editFileLocallyUrl.clear();
diff --git a/src/gui/connectionvalidator.h b/src/gui/connectionvalidator.h
index 354d5a818976..38b685c972e9 100644
--- a/src/gui/connectionvalidator.h
+++ b/src/gui/connectionvalidator.h
@@ -31,7 +31,7 @@ namespace OCC {
  * checkAuthentication is the quick version that only does the propfind
  * while checkServerAndAuth is doing the 4 calls.
  *
- * We cannot use the capabilites call to test the login and the password because of
+ * We cannot use the capabilities call to test the login and the password because of
  * https://github.com/owncloud/core/issues/12930
  *
  * Here follows the state machine
diff --git a/src/gui/folderman.cpp b/src/gui/folderman.cpp
index 8a836eff3478..27a79520036f 100644
--- a/src/gui/folderman.cpp
+++ b/src/gui/folderman.cpp
@@ -754,7 +754,7 @@ void FolderMan::slotRunOneEtagJob()
         Folder *folder = nullptr;
         for (Folder *f : qAsConst(_folderMap)) {
             if (f->etagJob()) {
-                // Caveat: always grabs the first folder with a job, but we think this is Ok for now and avoids us having a seperate queue.
+                // Caveat: always grabs the first folder with a job, but we think this is Ok for now and avoids us having a separate queue.
                 _currentEtagJob = f->etagJob();
                 folder = f;
                 break;
@@ -987,7 +987,7 @@ void FolderMan::runEtagJobIfPossible(Folder *folder)
         return;
     }
     if (_scheduledFolders.contains(folder)) {
-        qCInfo(lcFolderMan) << "Can not run etag job: Folder is alreday scheduled";
+        qCInfo(lcFolderMan) << "Can not run etag job: Folder is already scheduled";
         return;
     }
     if (_disabledFolders.contains(folder)) {
@@ -1727,7 +1727,7 @@ QPair<FolderMan::PathValidityResult, QString> FolderMan::checkPathValidityForNew
             return result;
         }
 
-        // if both pathes are equal, the server url needs to be different
+        // if both paths are equal, the server url needs to be different
         // otherwise it would mean that a new connection from the same local folder
         // to the same account is added which is not wanted. The account must differ.
         if (serverUrl.isValid() && !differentPaths) {
diff --git a/src/gui/folderman.h b/src/gui/folderman.h
index 933954b173f5..6c236ce8e8a4 100644
--- a/src/gui/folderman.h
+++ b/src/gui/folderman.h
@@ -264,7 +264,7 @@ public slots:
     /**
      * Triggers a sync run once the lock on the given file is removed.
      *
-     * Automatically detemines the folder that's responsible for the file.
+     * Automatically determines the folder that's responsible for the file.
      * See slotWatchedFileUnlocked().
      */
     void slotSyncOnceFileUnlocks(const QString &path);
diff --git a/src/gui/folderwatcher_linux.cpp b/src/gui/folderwatcher_linux.cpp
index d8316c81d6fc..6877edb9c60c 100644
--- a/src/gui/folderwatcher_linux.cpp
+++ b/src/gui/folderwatcher_linux.cpp
@@ -55,10 +55,10 @@ bool FolderWatcherPrivate::findFoldersBelow(const QDir &dir, QStringList &fullLi
         QStringList nameFilter;
         nameFilter << QLatin1String("*");
         QDir::Filters filter = QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks | QDir::Hidden;
-        const QStringList pathes = dir.entryList(nameFilter, filter);
+        const QStringList paths = dir.entryList(nameFilter, filter);
 
         QStringList::const_iterator constIterator;
-        for (constIterator = pathes.constBegin(); constIterator != pathes.constEnd();
+        for (constIterator = paths.constBegin(); constIterator != paths.constEnd();
              ++constIterator) {
             const QString fullPath(dir.path() + QLatin1String("/") + (*constIterator));
             fullList.append(fullPath);
diff --git a/src/gui/folderwatcher_win.cpp b/src/gui/folderwatcher_win.cpp
index fc3d64099ac7..bb3ea49fec5e 100644
--- a/src/gui/folderwatcher_win.cpp
+++ b/src/gui/folderwatcher_win.cpp
@@ -163,7 +163,7 @@ void WatcherThread::watchChanges(size_t fileNotifyBufferSize,
             if (curEntry->NextEntryOffset == 0) {
                 break;
             }
-            // FILE_NOTIFY_INFORMATION has no fixed size and the offset is in bytes therefor we first need to cast to char
+            // FILE_NOTIFY_INFORMATION has no fixed size and the offset is in bytes therefore we first need to cast to char
             curEntry = reinterpret_cast<FILE_NOTIFY_INFORMATION *>(reinterpret_cast<char*>(curEntry) + curEntry->NextEntryOffset);
         }
     }
diff --git a/src/gui/ocsjob.h b/src/gui/ocsjob.h
index 6973d7ce042f..47e13e037b01 100644
--- a/src/gui/ocsjob.h
+++ b/src/gui/ocsjob.h
@@ -23,7 +23,7 @@
 #include <QUrl>
 
 #define OCS_SUCCESS_STATUS_CODE 100
-// Apparantly the v2.php URLs can return that
+// Apparently the v2.php URLs can return that
 #define OCS_SUCCESS_STATUS_CODE_V2 200
 // Two factor auth notification returns Accepted 202
 #define OCS_ACCEPTED_STATUS_CODE 202
diff --git a/src/gui/settingsdialog.cpp b/src/gui/settingsdialog.cpp
index 80bd597d5f7c..130e5deac1c7 100644
--- a/src/gui/settingsdialog.cpp
+++ b/src/gui/settingsdialog.cpp
@@ -367,7 +367,7 @@ class ToolButtonAction : public QWidgetAction
     {
         auto toolbar = qobject_cast<QToolBar *>(parent);
         if (!toolbar) {
-            // this means we are in the extention menu, no special action here
+            // this means we are in the extension menu, no special action here
             return nullptr;
         }
 
diff --git a/src/gui/sharemanager.h b/src/gui/sharemanager.h
index fa74ceaf3df4..6e858e2df427 100644
--- a/src/gui/sharemanager.h
+++ b/src/gui/sharemanager.h
@@ -387,7 +387,7 @@ class ShareManager : public QObject
      * @param password The password of the share, may be empty
      *
      * On success the signal linkShareCreated is emitted
-     * For older server the linkShareRequiresPassword signal is emitted when it seems appropiate
+     * For older server the linkShareRequiresPassword signal is emitted when it seems appropriate
      * In case of a server error the serverError signal is emitted
      */
     void createLinkShare(const QString &path,
diff --git a/src/gui/systray.cpp b/src/gui/systray.cpp
index d2f40518987f..936b999557c6 100644
--- a/src/gui/systray.cpp
+++ b/src/gui/systray.cpp
@@ -349,7 +349,7 @@ bool Systray::raiseFileDetailDialogs(const QString &localPath)
         continue;
     }
 
-    // If it is empty then we have raised no dialogs, so return false (and viceversa)
+    // If it is empty then we have raised no dialogs, so return false (and vice-versa)
     return !_fileDetailDialogs.empty();
 }
 
diff --git a/src/gui/tray/sortedactivitylistmodel.cpp b/src/gui/tray/sortedactivitylistmodel.cpp
index 3dced09829eb..fcd58d1385c2 100644
--- a/src/gui/tray/sortedactivitylistmodel.cpp
+++ b/src/gui/tray/sortedactivitylistmodel.cpp
@@ -53,7 +53,7 @@ bool SortedActivityListModel::lessThan(const QModelIndex &sourceLeft, const QMod
 
     // Then compare by status
     if (leftSyncFileItemStatus != rightSyncFileItemStatus) {
-        // We want to shove erors towards the top.
+        // We want to shove errors towards the top.
         return (leftSyncFileItemStatus != SyncFileItem::NoStatus &&
                 leftSyncFileItemStatus != SyncFileItem::Success) ||
                 leftSyncFileItemStatus == SyncFileItem::FatalError ||
diff --git a/src/gui/tray/usermodel.cpp b/src/gui/tray/usermodel.cpp
index d56f23f15e5a..bf4b0e27942a 100644
--- a/src/gui/tray/usermodel.cpp
+++ b/src/gui/tray/usermodel.cpp
@@ -282,7 +282,7 @@ void User::slotDisconnectPushNotifications()
 
     disconnect(_account->account().data(), &Account::pushNotificationsDisabled, this, &User::slotDisconnectPushNotifications);
 
-    // connection to WebSocket may have dropped or an error occured, so we need to bring back the polling until we have re-established the connection
+    // connection to WebSocket may have dropped or an error occurred, so we need to bring back the polling until we have re-established the connection
     setNotificationRefreshInterval(ConfigFile().notificationRefreshInterval());
 }
 
@@ -462,7 +462,7 @@ void User::slotNotificationRequestFinished(int statusCode)
         qCWarning(lcActivity) << "Notification Request to Server failed, leave notification visible.";
     } else {
         // to do use the model to rebuild the list or remove the item
-        qCWarning(lcActivity) << "Notification Request to Server successed, rebuilding list.";
+        qCWarning(lcActivity) << "Notification Request to Server succeeded, rebuilding list.";
         _activityModel->removeActivityFromActivityList(row);
     }
 }
diff --git a/src/gui/wizard/owncloudwizard.h b/src/gui/wizard/owncloudwizard.h
index a586ee261580..2ebe0f08baea 100644
--- a/src/gui/wizard/owncloudwizard.h
+++ b/src/gui/wizard/owncloudwizard.h
@@ -76,7 +76,7 @@ class OwncloudWizard : public QWizard
 
     /**
      * Shows a dialog explaining the virtual files mode and warning about it
-     * being experimental. Calles the callback with true if enabling was
+     * being experimental. Calls the callback with true if enabling was
      * chosen.
      */
     static void askExperimentalVirtualFilesFeature(QWidget *receiver, const std::function<void(bool enable)> &callback);
diff --git a/src/gui/wizard/postfixlineedit.h b/src/gui/wizard/postfixlineedit.h
index b32c3f637d1b..42f258b31208 100644
--- a/src/gui/wizard/postfixlineedit.h
+++ b/src/gui/wizard/postfixlineedit.h
@@ -35,7 +35,7 @@ class PostfixLineEdit : public QLineEdit
 
     /** @brief sets an optional postfix shown greyed out */
     void setPostfix(const QString &postfix);
-    /** @brief retrives the postfix */
+    /** @brief retrieves the postfix */
     [[nodiscard]] QString postfix() const;
     /** @brief retrieves combined text() and postfix() */
     [[nodiscard]] QString fullText() const;
diff --git a/src/gui/wizard/webview.cpp b/src/gui/wizard/webview.cpp
index 99fd18bb2cfe..325e7cd1013a 100644
--- a/src/gui/wizard/webview.cpp
+++ b/src/gui/wizard/webview.cpp
@@ -60,7 +60,7 @@ class WebEnginePage : public QWebEnginePage {
 };
 
 // We need a separate class here, since we cannot simply return the same WebEnginePage object
-// this leads to a strage segfault somewhere deep inside of the QWebEngine code
+// this leads to a strange segfault somewhere deep inside of the QWebEngine code
 class ExternalWebEnginePage : public QWebEnginePage {
     Q_OBJECT
 public:
@@ -90,7 +90,7 @@ WebView::WebView(QWidget *parent)
     _profile->installUrlSchemeHandler("nc", _schemeHandler);
 
     /*
-     * Set a proper accept langauge to the language of the client
+     * Set a proper accept language to the language of the client
      * code from: http://code.qt.io/cgit/qt/qtbase.git/tree/src/network/access/qhttpnetworkconnection.cpp
      */
     {
@@ -137,7 +137,7 @@ void WebView::slotResizeToContents(const QSizeF &size){
 
 WebView::~WebView() {
     /*
-     * The Qt implmentation deletes children in the order they are added to the
+     * The Qt implementation deletes children in the order they are added to the
      * object tree, so in this case _page is deleted after _profile, which
      * violates the assumption that _profile should exist longer than
      * _page [1]. Here I delete _page manually so that _profile can be safely
diff --git a/src/libsync/abstractnetworkjob.h b/src/libsync/abstractnetworkjob.h
index 6af3041c5d17..9f7da9ca87f4 100644
--- a/src/libsync/abstractnetworkjob.h
+++ b/src/libsync/abstractnetworkjob.h
@@ -85,7 +85,7 @@ class OWNCLOUDSYNC_EXPORT AbstractNetworkJob : public QObject
      * This function reads the body of the reply and parses out the
      * error information, if possible.
      *
-     * \a body is optinally filled with the reply body.
+     * \a body is optionally filled with the reply body.
      *
      * Warning: Needs to call reply()->readAll().
      */
diff --git a/src/libsync/accessmanager.cpp b/src/libsync/accessmanager.cpp
index 00b08d3f585a..8a3c31c3ca04 100644
--- a/src/libsync/accessmanager.cpp
+++ b/src/libsync/accessmanager.cpp
@@ -43,7 +43,7 @@ AccessManager::AccessManager(QObject *parent)
 #endif
 
 #ifndef Q_OS_LINUX
-    // Atempt to workaround for https://github.com/owncloud/client/issues/3969
+    // Attempt to workaround for https://github.com/owncloud/client/issues/3969
     setConfiguration(QNetworkConfiguration());
 #endif
     setCookieJar(new CookieJar);
diff --git a/src/libsync/account.h b/src/libsync/account.h
index 0546c84f170a..14dbc166d5ae 100644
--- a/src/libsync/account.h
+++ b/src/libsync/account.h
@@ -99,7 +99,7 @@ class OWNCLOUDSYNC_EXPORT Account : public QObject
     /**
      * The user that can be used in dav url.
      *
-     * This can very well be different frome the login user that's
+     * This can very well be different from the login user that's
      * stored in credentials()->user().
      */
     [[nodiscard]] QString davUser() const;
@@ -220,7 +220,7 @@ class OWNCLOUDSYNC_EXPORT Account : public QObject
     void setCredentialSetting(const QString &key, const QVariant &value);
 
     /** Assign a client certificate */
-    void setCertificate(const QByteArray certficate = QByteArray(), const QString privateKey = QString());
+    void setCertificate(const QByteArray certificate = QByteArray(), const QString privateKey = QString());
 
     /** Access the server capabilities */
     [[nodiscard]] const Capabilities &capabilities() const;
diff --git a/src/libsync/bulkpropagatorjob.h b/src/libsync/bulkpropagatorjob.h
index 34441d324bba..51175bfe58eb 100644
--- a/src/libsync/bulkpropagatorjob.h
+++ b/src/libsync/bulkpropagatorjob.h
@@ -79,7 +79,7 @@ private slots:
                          const QByteArray &transmissionChecksumType,
                          const QByteArray &transmissionChecksum);
 
-    // invoked on internal error to unlock a folder and faile
+    // invoked on internal error to unlock a folder and failed
     void slotOnErrorStartFolderUnlock(OCC::SyncFileItemPtr item,
                                       const OCC::SyncFileItem::Status status,
                                       const QString &errorString,
diff --git a/src/libsync/capabilities.h b/src/libsync/capabilities.h
index 826d8e6b9107..0ebc25d80901 100644
--- a/src/libsync/capabilities.h
+++ b/src/libsync/capabilities.h
@@ -71,7 +71,7 @@ class OWNCLOUDSYNC_EXPORT Capabilities
     [[nodiscard]] QColor serverColor() const;
     [[nodiscard]] QColor serverTextColor() const;
 
-    /// Returns which kind of push notfications are available
+    /// Returns which kind of push notifications are available
     [[nodiscard]] PushNotificationTypes availablePushNotifications() const;
 
     /// Websocket url for files push notifications if available
diff --git a/src/libsync/clientsideencryption.cpp b/src/libsync/clientsideencryption.cpp
index ca957d34500f..5889ef94d364 100644
--- a/src/libsync/clientsideencryption.cpp
+++ b/src/libsync/clientsideencryption.cpp
@@ -1534,7 +1534,7 @@ void FolderMetadata::setupExistingMetadata(const QByteArray& metadata)
     qCInfo(lcCseMetadata()) << doc.toJson(QJsonDocument::Compact);
 
     // The metadata is being retrieved as a string stored in a json.
-    // This *seems* to be broken but the RFC doesn't explicits how it wants.
+    // This *seems* to be broken but the RFC doesn't explicit how it wants.
     // I'm currently unsure if this is error on my side or in the server implementation.
     // And because inside of the meta-data there's an object called metadata, without '-'
     // make it really different.
diff --git a/src/libsync/clientsideencryptionjobs.cpp b/src/libsync/clientsideencryptionjobs.cpp
index ba76d4576e7f..31d3b7377e11 100644
--- a/src/libsync/clientsideencryptionjobs.cpp
+++ b/src/libsync/clientsideencryptionjobs.cpp
@@ -97,7 +97,7 @@ bool StoreMetaDataApiJob::finished()
 			emit error(_fileId, retCode);
 		}
 
-		qCInfo(lcCseJob()) << "Metadata submited to the server successfully";
+		qCInfo(lcCseJob()) << "Metadata submitted to the server successfully";
 		emit success(_fileId);
     return true;
 }
@@ -148,7 +148,7 @@ bool UpdateMetadataApiJob::finished()
 			emit error(_fileId, retCode);
 		}
 
-		qCInfo(lcCseJob()) << "Metadata submited to the server successfully";
+		qCInfo(lcCseJob()) << "Metadata submitted to the server successfully";
 		emit success(_fileId);
     return true;
 }
diff --git a/src/libsync/configfile.cpp b/src/libsync/configfile.cpp
index c47f00f1ad52..aadb681d5d44 100644
--- a/src/libsync/configfile.cpp
+++ b/src/libsync/configfile.cpp
@@ -565,7 +565,7 @@ chrono::milliseconds ConfigFile::forceSyncInterval(const QString &connection) co
     auto defaultInterval = chrono::hours(2);
     auto interval = millisecondsValue(settings, forceSyncIntervalC, defaultInterval);
     if (interval < pollInterval) {
-        qCWarning(lcConfigFile) << "Force sync interval is less than the remote poll inteval, reverting to" << pollInterval.count();
+        qCWarning(lcConfigFile) << "Force sync interval is less than the remote poll interval, reverting to" << pollInterval.count();
         interval = pollInterval;
     }
     return interval;
diff --git a/src/libsync/creds/httpcredentials.cpp b/src/libsync/creds/httpcredentials.cpp
index fe570897a07e..61b74b8c8c19 100644
--- a/src/libsync/creds/httpcredentials.cpp
+++ b/src/libsync/creds/httpcredentials.cpp
@@ -391,7 +391,7 @@ void HttpCredentials::slotReadJobDone(QKeychain::Job *incoming)
         emit fetched();
     } else {
         // we come here if the password is empty or any other keychain
-        // error happend.
+        // error happened.
 
         _fetchErrorString = job->error() != QKeychain::EntryNotFound ? job->errorString() : QString();
 
@@ -528,7 +528,7 @@ void HttpCredentials::persist()
     // write secrets to the keychain
     if (!_clientCertBundle.isEmpty()) {
         // Option 1: If we have a pkcs12 bundle, that'll be written to the config file
-        // and we'll just store the bundle password in the keychain. That's prefered
+        // and we'll just store the bundle password in the keychain. That's preferred
         // since the keychain on older Windows platforms can only store a limited number
         // of bytes per entry and key/cert may exceed that.
         auto *job = new QKeychain::WritePasswordJob(Theme::instance()->appName());
diff --git a/src/libsync/creds/keychainchunk.h b/src/libsync/creds/keychainchunk.h
index 8e09ba66adf7..78163b552c6d 100644
--- a/src/libsync/creds/keychainchunk.h
+++ b/src/libsync/creds/keychainchunk.h
@@ -109,7 +109,7 @@ class OWNCLOUDSYNC_EXPORT WriteJob : public KeychainChunk::Job
      * Call this method to start the job synchronously.
      * Awaits completion with no need to connect some slot to the finished() signal first.
      *
-     * @return Returns true on succeess (QKeychain::NoError).
+     * @return Returns true on success (QKeychain::NoError).
     */
     bool exec();
 
@@ -142,7 +142,7 @@ class OWNCLOUDSYNC_EXPORT ReadJob : public KeychainChunk::Job
      * Call this method to start the job synchronously.
      * Awaits completion with no need to connect some slot to the finished() signal first.
      *
-     * @return Returns true on succeess (QKeychain::NoError).
+     * @return Returns true on success (QKeychain::NoError).
     */
     bool exec();
 
@@ -180,7 +180,7 @@ class OWNCLOUDSYNC_EXPORT DeleteJob : public KeychainChunk::Job
      * Call this method to start the job synchronously.
      * Awaits completion with no need to connect some slot to the finished() signal first.
      *
-     * @return Returns true on succeess (QKeychain::NoError).
+     * @return Returns true on success (QKeychain::NoError).
     */
     bool exec();
 
diff --git a/src/libsync/discovery.cpp b/src/libsync/discovery.cpp
index e336cf54811b..1e1f0d5a3df7 100644
--- a/src/libsync/discovery.cpp
+++ b/src/libsync/discovery.cpp
@@ -771,7 +771,7 @@ void ProcessDirectoryJob::processFileAnalyzeRemoteInfo(
 
         if (opts._vfs->mode() != Vfs::Off && !item->_encryptedFileName.isEmpty()) {
             // We are syncing a file for the first time (local entry is invalid) and it is encrypted file that will be virtual once synced
-            // to avoid having error of "file has changed during sync" when trying to hydrate it excplicitly - we must remove Constants::e2EeTagSize bytes from the end
+            // to avoid having error of "file has changed during sync" when trying to hydrate it explicitly - we must remove Constants::e2EeTagSize bytes from the end
             // as explicit hydration does not care if these bytes are present in the placeholder or not, but, the size must not change in the middle of the sync
             // this way it works for both implicit and explicit hydration by making a placeholder size that does not includes encryption tag Constants::e2EeTagSize bytes
             // another scenario - we are syncing a file which is on disk but not in the database (database was removed or file was not written there yet)
@@ -1503,7 +1503,7 @@ void ProcessDirectoryJob::processFileConflict(const SyncFileItemPtr &item, Proce
 
     // Do we have an UploadInfo for this?
     // Maybe the Upload was completed, but the connection was broken just before
-    // we recieved the etag (Issue #5106)
+    // we received the etag (Issue #5106)
     auto up = _discoveryData->_statedb->getUploadInfo(path._original);
     if (up._valid && up._contentChecksum == serverEntry.checksumHeader) {
         // Solve the conflict into an upload, or nothing
diff --git a/src/libsync/networkjobs.h b/src/libsync/networkjobs.h
index 533217466ebe..478852d7c9e2 100644
--- a/src/libsync/networkjobs.h
+++ b/src/libsync/networkjobs.h
@@ -518,7 +518,7 @@ class OWNCLOUDSYNC_EXPORT DetermineAuthTypeJob : public QObject
 };
 
 /**
- * @brief A basic job around a network request without extra funtionality
+ * @brief A basic job around a network request without extra functionality
  * @ingroup libsync
  *
  * Primarily adds timeout and redirection handling.
diff --git a/src/libsync/owncloudpropagator.cpp b/src/libsync/owncloudpropagator.cpp
index 0274b6b070c0..f273c1704af1 100644
--- a/src/libsync/owncloudpropagator.cpp
+++ b/src/libsync/owncloudpropagator.cpp
@@ -425,7 +425,7 @@ void OwncloudPropagator::adjustDeletedFoldersWithNewChildren(SyncFileItemVector
     /* 
        process each item that is new and is a directory and make sure every parent in its tree has the instruction CSYNC_INSTRUCTION_NEW
        instead of CSYNC_INSTRUCTION_REMOVE
-       NOTE: We are iterating backwords to take advantage of optimization later, when searching for the parent of current it
+       NOTE: We are iterating backwards to take advantage of optimization later, when searching for the parent of current it
     */
     for (auto it = std::crbegin(items); it != std::crend(items); ++it) {
         if ((*it)->_instruction != CSYNC_INSTRUCTION_NEW || (*it)->_direction != SyncFileItem::Up || !(*it)->isDirectory() || (*it)->_file == QStringLiteral("/")) {
@@ -441,7 +441,7 @@ void OwncloudPropagator::adjustDeletedFoldersWithNewChildren(SyncFileItemVector
         if (itemRootFolderName.isEmpty()) {
             continue;
         }
-        // #2 iterate backwords (for optimization) and find the root folder by name
+        // #2 iterate backwards (for optimization) and find the root folder by name
         const auto itemRootFolderReverseIt = std::find_if(it, std::crend(items), [&itemRootFolderName](const auto &currentItem) {
             return currentItem->_file == itemRootFolderName;
         });
diff --git a/src/libsync/owncloudpropagator.h b/src/libsync/owncloudpropagator.h
index c422542419a4..f38291b1ed46 100644
--- a/src/libsync/owncloudpropagator.h
+++ b/src/libsync/owncloudpropagator.h
@@ -456,7 +456,7 @@ class OWNCLOUDSYNC_EXPORT OwncloudPropagator : public QObject
     bool _abortRequested = false;
 
     /** The list of currently active jobs.
-        This list contains the jobs that are currently using ressources and is used purely to
+        This list contains the jobs that are currently using resources and is used purely to
         know how many jobs there is currently running for the scheduler.
         Jobs add themself to the list when they do an assynchronous operation.
         Jobs can be several time on the list (example, when several chunks are uploaded in parallel)
@@ -468,7 +468,7 @@ class OWNCLOUDSYNC_EXPORT OwncloudPropagator : public QObject
 
     /** Per-folder quota guesses.
      *
-     * This starts out empty. When an upload in a folder fails due to insufficent
+     * This starts out empty. When an upload in a folder fails due to insufficient
      * remote quota, the quota guess is updated to be attempted_size-1 at maximum.
      *
      * Note that it will usually just an upper limit for the actual quota - but
diff --git a/src/libsync/owncloudpropagator_p.h b/src/libsync/owncloudpropagator_p.h
index b227d0720af4..6337b2f3cfb9 100644
--- a/src/libsync/owncloudpropagator_p.h
+++ b/src/libsync/owncloudpropagator_p.h
@@ -82,7 +82,7 @@ inline SyncFileItem::Status classifyError(QNetworkReply::NetworkError nerror,
     }
 
     if (httpCode == 503) {
-        // When the server is in maintenance mode, we want to exit the sync immediatly
+        // When the server is in maintenance mode, we want to exit the sync immediately
         // so that we do not flood the server with many requests
         // BUG: This relies on a translated string and is thus unreliable.
         //      In the future it should return a NormalError and trigger a status.php
diff --git a/src/libsync/progressdispatcher.cpp b/src/libsync/progressdispatcher.cpp
index 88c06296737b..49c34c53211d 100644
--- a/src/libsync/progressdispatcher.cpp
+++ b/src/libsync/progressdispatcher.cpp
@@ -285,8 +285,8 @@ ProgressInfo::Estimates ProgressInfo::totalProgress() const
     // on the upload speed. That's particularly relevant for large file
     // up/downloads, where files per second will be close to 0.
     //
-    // However, when many *small* files are transfered, the estimate
-    // can become very pessimistic as the transfered amount per second
+    // However, when many *small* files are transferred, the estimate
+    // can become very pessimistic as the transferred amount per second
     // drops significantly.
     //
     // So, if we detect a high rate of files per second or a very low
@@ -324,7 +324,7 @@ quint64 ProgressInfo::optimisticEta() const
 {
     // This assumes files and transfers finish as quickly as possible
     // *but* note that maxPerSecond could be serious underestimate
-    // (if we never got to fully excercise transfer or files/second)
+    // (if we never got to fully exercise transfer or files/second)
 
     return _fileProgress.remaining() / _maxFilesPerSecond * 1000
         + _sizeProgress.remaining() / _maxBytesPerSecond * 1000;
diff --git a/src/libsync/propagateremotedeleteencryptedrootfolder.cpp b/src/libsync/propagateremotedeleteencryptedrootfolder.cpp
index d6c2af03a166..dfde76eca3d9 100644
--- a/src/libsync/propagateremotedeleteencryptedrootfolder.cpp
+++ b/src/libsync/propagateremotedeleteencryptedrootfolder.cpp
@@ -15,7 +15,7 @@
 /*
  * Removing the root encrypted folder is consisted of multiple steps:
  * - 1st step is to obtain the folderID via LsColJob so it then can be used for the next step
- * - 2nd step is to lock the root folder useing the folderID from the previous step. !!! NOTE: If there are no nested items in the folder, this, and subsequent steps are skipped until step 7.
+ * - 2nd step is to lock the root folder using the folderID from the previous step. !!! NOTE: If there are no nested items in the folder, this, and subsequent steps are skipped until step 7.
  * - 3rd step is to obtain the root folder's metadata (it contains list of nested files and folders)
  * - 4th step is to remove the nested files and folders from the metadata and send it to the server via UpdateMetadataApiJob
  * - 5th step is to trigger DeleteJob for every nested file and folder of the root folder
diff --git a/src/libsync/propagateupload.cpp b/src/libsync/propagateupload.cpp
index 69330dce4602..33b4c334e8fa 100644
--- a/src/libsync/propagateupload.cpp
+++ b/src/libsync/propagateupload.cpp
@@ -368,7 +368,7 @@ void PropagateUploadFileCommon::slotComputeTransmissionChecksum(const QByteArray
 
 void PropagateUploadFileCommon::slotStartUpload(const QByteArray &transmissionChecksumType, const QByteArray &transmissionChecksum)
 {
-    // Remove ourselfs from the list of active job, before any posible call to done()
+    // Remove ourselves from the list of active job, before any possible call to done()
     // When we start chunks, we will add it again, once for every chunks.
     propagator()->_activeJobList.removeOne(this);
 
@@ -723,7 +723,7 @@ void PropagateUploadFileCommon::slotJobDestroyed(QObject *job)
     _jobs.erase(std::remove(_jobs.begin(), _jobs.end(), job), _jobs.end());
 }
 
-// This function is used whenever there is an error occuring and jobs might be in progress
+// This function is used whenever there is an error occurring and jobs might be in progress
 void PropagateUploadFileCommon::abortWithError(SyncFileItem::Status status, const QString &error)
 {
     if (_aborting)
@@ -864,7 +864,7 @@ void PropagateUploadFileCommon::abortNetworkJobs(
 
         // Abort the job
         if (abortType == AbortType::Asynchronous) {
-            // Connect to finished signal of job reply to asynchonously finish the abort
+            // Connect to finished signal of job reply to asynchronously finish the abort
             connect(reply, &QNetworkReply::finished, this, oneAbortFinished);
         }
         reply->abort();
diff --git a/src/libsync/propagateupload.h b/src/libsync/propagateupload.h
index 535255b38d25..3c0aec4cc11c 100644
--- a/src/libsync/propagateupload.h
+++ b/src/libsync/propagateupload.h
@@ -264,7 +264,7 @@ private slots:
     void slotStartUpload(const QByteArray &transmissionChecksumType, const QByteArray &transmissionChecksum);
     // invoked when encrypted folder lock has been released
     void slotFolderUnlocked(const QByteArray &folderId, int httpReturnCode);
-    // invoked on internal error to unlock a folder and faile
+    // invoked on internal error to unlock a folder and failed
     void slotOnErrorStartFolderUnlock(SyncFileItem::Status status, const QString &errorString);
 
 public:
@@ -325,7 +325,7 @@ private slots:
 /**
  * @ingroup libsync
  *
- * Propagation job, impementing the old chunking agorithm
+ * Propagation job, implementing the old chunking algorithm
  *
  */
 class PropagateUploadFileV1 : public PropagateUploadFileCommon
@@ -372,7 +372,7 @@ private slots:
 /**
  * @ingroup libsync
  *
- * Propagation job, impementing the new chunking agorithm
+ * Propagation job, implementing the new chunking algorithm
  *
  */
 class PropagateUploadFileNG : public PropagateUploadFileCommon
diff --git a/src/libsync/propagateuploadencrypted.cpp b/src/libsync/propagateuploadencrypted.cpp
index af1dfc20c993..fbbbee3e7b1c 100644
--- a/src/libsync/propagateuploadencrypted.cpp
+++ b/src/libsync/propagateuploadencrypted.cpp
@@ -63,7 +63,7 @@ void PropagateUploadEncrypted::start()
 }
 
 /* We try to lock a folder, if it's locked we try again in one second.
- * if it's still locked we try again in one second. looping untill one minute.
+ * if it's still locked we try again in one second. looping until one minute.
  *                                                                      -> fail.
  * the 'loop':                                                         /
  *    slotFolderEncryptedIdReceived -> slotTryLock -> lockError -> stillTime? -> slotTryLock
@@ -231,7 +231,7 @@ void PropagateUploadEncrypted::slotUpdateMetadataSuccess(const QByteArray& fileI
     QFileInfo outputInfo(_completeFileName);
 
     qCDebug(lcPropagateUploadEncrypted) << "Encrypted Info:" << outputInfo.path() << outputInfo.fileName() << outputInfo.size();
-    qCDebug(lcPropagateUploadEncrypted) << "Finalizing the upload part, now the actuall uploader will take over";
+    qCDebug(lcPropagateUploadEncrypted) << "Finalizing the upload part, now the actual uploader will take over";
     emit finalized(outputInfo.path() + QLatin1Char('/') + outputInfo.fileName(),
                    _remoteParentPath + QLatin1Char('/') + outputInfo.fileName(),
                    outputInfo.size());
diff --git a/src/libsync/propagateuploadencrypted.h b/src/libsync/propagateuploadencrypted.h
index 7faa2ab906c2..ddcce6e60538 100644
--- a/src/libsync/propagateuploadencrypted.h
+++ b/src/libsync/propagateuploadencrypted.h
@@ -56,7 +56,7 @@ private slots:
     void slotUpdateMetadataError(const QByteArray& fileId, int httpReturnCode);
 
 signals:
-    // Emmited after the file is encrypted and everythign is setup.
+    // Emitted after the file is encrypted and everything is setup.
     void finalized(const QString& path, const QString& filename, quint64 size);
     void error();
     void folderUnlocked(const QByteArray &folderId, int httpStatus);
diff --git a/src/libsync/propagateuploadv1.cpp b/src/libsync/propagateuploadv1.cpp
index f4eb84caa533..f5ccb805311f 100644
--- a/src/libsync/propagateuploadv1.cpp
+++ b/src/libsync/propagateuploadv1.cpp
@@ -256,7 +256,7 @@ void PropagateUploadFileV1::slotPutFinished()
         }
     }
 
-    // Check whether the file changed since discovery. the file check here is the original and not the temprary.
+    // Check whether the file changed since discovery. the file check here is the original and not the temporary.
     Q_ASSERT(_item->_modtime > 0);
     if (_item->_modtime <= 0) {
         qCWarning(lcPropagateUpload()) << "invalid modified time" << _item->_file << _item->_modtime;
diff --git a/src/libsync/pushnotifications.cpp b/src/libsync/pushnotifications.cpp
index 8febf024dd87..89ca8221b75a 100644
--- a/src/libsync/pushnotifications.cpp
+++ b/src/libsync/pushnotifications.cpp
@@ -198,7 +198,7 @@ void PushNotifications::handleAuthenticated()
     emit ready();
 
     // We maybe reconnected to websocket while being offline for a
-    // while. To not miss any notifications that may have happend,
+    // while. To not miss any notifications that may have happened,
     // emit all the signals once.
     emitFilesChanged();
     emitNotificationsChanged();
diff --git a/src/libsync/syncengine.cpp b/src/libsync/syncengine.cpp
index b6555ce52232..7a13f7133f30 100644
--- a/src/libsync/syncengine.cpp
+++ b/src/libsync/syncengine.cpp
@@ -296,7 +296,7 @@ void SyncEngine::conflictRecordMaintenance()
     // If so, add them now.
     //
     // This happens when the conflicts table is new or when conflict files
-    // are downlaoded but the server doesn't send conflict headers.
+    // are downloaded but the server doesn't send conflict headers.
     for (const auto &path : qAsConst(_seenConflictFiles)) {
         ASSERT(Utility::isConflictFile(path));
 
@@ -1177,7 +1177,7 @@ void SyncEngine::wipeVirtualFiles(const QString &localPath, SyncJournalDb &journ
     });
 
     if (!resGetFilesBelowPath) {
-        qCWarning(lcEngine) << "Faied to get files below path" << localPath;
+        qCWarning(lcEngine) << "Failed to get files below path" << localPath;
     }
 
     journal.forceRemoteDiscoveryNextSync();
@@ -1204,7 +1204,7 @@ void SyncEngine::switchToVirtualFiles(const QString &localPath, SyncJournalDb &j
     });
 
     if (!res) {
-        qCWarning(lcEngine) << "Faied to get files below path" << localPath;
+        qCWarning(lcEngine) << "Failed to get files below path" << localPath;
     }
 }
 
diff --git a/src/libsync/syncengine.h b/src/libsync/syncengine.h
index 437d2220110f..fce3a96b6945 100644
--- a/src/libsync/syncengine.h
+++ b/src/libsync/syncengine.h
@@ -178,7 +178,7 @@ public slots:
     void started();
 
     /**
-     * Emited when the sync engine detects that all the files have been removed or change.
+     * Emitted when the sync engine detects that all the files have been removed or change.
      * This usually happen when the server was reset or something.
      * Set *cancel to true in a slot connected from this signal to abort the sync.
      */
@@ -211,7 +211,7 @@ private slots:
     void slotItemCompleted(const OCC::SyncFileItemPtr &item, const OCC::ErrorCategory category);
     void slotDiscoveryFinished();
     void slotPropagationFinished(bool success);
-    void slotProgress(const OCC::SyncFileItem &item, qint64 curent);
+    void slotProgress(const OCC::SyncFileItem &item, qint64 current);
     void slotCleanPollsJobAborted(const QString &error, const OCC::ErrorCategory category);
 
     /** Records that a file was touched by a job. */
@@ -313,7 +313,7 @@ private slots:
 
     static bool s_anySyncRunning; //true when one sync is running somewhere (for debugging)
 
-    // Must only be acessed during update and reconcile
+    // Must only be accessed during update and reconcile
     QVector<SyncFileItemPtr> _syncItems;
 
     AccountPtr _account;
diff --git a/src/libsync/syncfilestatustracker.cpp b/src/libsync/syncfilestatustracker.cpp
index 6117ef22392f..e3ffca288d29 100644
--- a/src/libsync/syncfilestatustracker.cpp
+++ b/src/libsync/syncfilestatustracker.cpp
@@ -136,7 +136,7 @@ SyncFileStatus SyncFileStatusTracker::fileStatus(const QString &relativePath)
     // that the status of CSYNC_FILE_EXCLUDE_LIST excludes will change if the user
     // update the exclude list at runtime and doing it statically here removes
     // our ability to notify changes through the fileStatusChanged signal,
-    // it's an acceptable compromize to treat all exclude types the same.
+    // it's an acceptable compromise to treat all exclude types the same.
     // Update: This extra check shouldn't hurt even though silently excluded files
     // are now available via slotAddSilentlyExcluded().
     if (_syncEngine->excludedFiles().isExcluded(_syncEngine->localPath() + relativePath,
@@ -287,7 +287,7 @@ void SyncFileStatusTracker::slotItemCompleted(const SyncFileItemPtr &item)
         && item->_instruction != CSYNC_INSTRUCTION_UPDATE_METADATA
         && item->_instruction != CSYNC_INSTRUCTION_IGNORE
         && item->_instruction != CSYNC_INSTRUCTION_ERROR) {
-        // decSyncCount calls *must* be symetric with incSyncCount calls in slotAboutToPropagate
+        // decSyncCount calls *must* be symmetric with incSyncCount calls in slotAboutToPropagate
         decSyncCountAndEmitStatusChanged(item->destination(), sharedFlag);
     } else {
         emit fileStatusChanged(getSystemDestination(item->destination()), resolveSyncAndErrorStatus(item->destination(), sharedFlag));
diff --git a/src/libsync/syncoptions.h b/src/libsync/syncoptions.h
index 258f5b771f8c..7d23574204d7 100644
--- a/src/libsync/syncoptions.h
+++ b/src/libsync/syncoptions.h
@@ -106,7 +106,7 @@ class OWNCLOUDSYNC_EXPORT SyncOptions
 
 private:
     /**
-     * Only sync files that mathc the expression
+     * Only sync files that match the expression
      * Invalid pattern by default.
      */
     QRegularExpression _fileRegex = QRegularExpression(QStringLiteral("("));
diff --git a/src/libsync/theme.h b/src/libsync/theme.h
index a936ebc93ac2..55120652f01b 100644
--- a/src/libsync/theme.h
+++ b/src/libsync/theme.h
@@ -278,9 +278,9 @@ class OWNCLOUDSYNC_EXPORT Theme : public QObject
     [[nodiscard]] bool doNotUseProxy() const;
 
     /**
-     * This is only usefull when previous version had a different overrideServerUrl
+     * This is only useful when previous version had a different overrideServerUrl
      * with a different auth type in that case You should then specify "http" or "shibboleth".
-     * Normaly this should be left empty.
+     * Normally this should be left empty.
      */
     [[nodiscard]] QString forceConfigAuthType() const;
 
@@ -352,7 +352,7 @@ class OWNCLOUDSYNC_EXPORT Theme : public QObject
     void setSystrayUseMonoIcons(bool mono);
 
     /**
-     * Retrieve wether to use mono icons for systray
+     * Retrieve whether to use mono icons for systray
      */
     [[nodiscard]] bool systrayUseMonoIcons() const;
 
@@ -458,7 +458,7 @@ class OWNCLOUDSYNC_EXPORT Theme : public QObject
     /**
      * @brief the server folder that should be queried for the quota information
      *
-     * This can be configured to show the quota infromation for a different
+     * This can be configured to show the quota information for a different
      * folder than the root. This is the folder on which the client will do
      * PROPFIND calls to get "quota-available-bytes" and "quota-used-bytes"
      *
diff --git a/src/libsync/updatefiledropmetadata.cpp b/src/libsync/updatefiledropmetadata.cpp
index 02103a093b05..22fa0499d536 100644
--- a/src/libsync/updatefiledropmetadata.cpp
+++ b/src/libsync/updatefiledropmetadata.cpp
@@ -143,7 +143,7 @@ void UpdateFileDropMetadataJob::slotUpdateMetadataSuccess(const QByteArray &file
     Q_UNUSED(fileId);
     qCDebug(lcUpdateFileDropMetadataJob) << "Uploading of the metadata success, Encrypting the file";
 
-    qCDebug(lcUpdateFileDropMetadataJob) << "Finalizing the upload part, now the actuall uploader will take over";
+    qCDebug(lcUpdateFileDropMetadataJob) << "Finalizing the upload part, now the actual uploader will take over";
     unlockFolder();
 }
 
diff --git a/src/libsync/vfs/cfapi/shellext/CMakeLists.txt b/src/libsync/vfs/cfapi/shellext/CMakeLists.txt
index 0942b9f9cc03..90497676b4d9 100644
--- a/src/libsync/vfs/cfapi/shellext/CMakeLists.txt
+++ b/src/libsync/vfs/cfapi/shellext/CMakeLists.txt
@@ -23,7 +23,7 @@ if(NOT DEFINED CUSTOM_STATE_ICON_INDEX_OFFSET)
     set(CUSTOM_STATE_ICON_INDEX_OFFSET 1)
 endif()
 
-# indeces used for referencing icon within the binary's resources and .rc file's IDI_ICON{i} entries 'i'
+# indices used for referencing icon within the binary's resources and .rc file's IDI_ICON{i} entries 'i'
 if(NOT DEFINED CUSTOM_STATE_ICON_LOCKED_INDEX)
     set(CUSTOM_STATE_ICON_LOCKED_INDEX 1)
 endif()
diff --git a/test/syncenginetestutils.cpp b/test/syncenginetestutils.cpp
index fc2db483bee6..15c7f5a48924 100644
--- a/test/syncenginetestutils.cpp
+++ b/test/syncenginetestutils.cpp
@@ -1051,7 +1051,7 @@ QNetworkReply *FakeQNAM::createRequest(QNetworkAccessManager::Operation op, cons
 
         auto verb = newRequest.attribute(QNetworkRequest::CustomVerbAttribute);
         if (verb == QLatin1String("PROPFIND")) {
-            // Ignore outgoingData always returning somethign good enough, works for now.
+            // Ignore outgoingData always returning something good enough, works for now.
             reply = new FakePropfindReply { info, op, newRequest, this };
         } else if (verb == QLatin1String("GET") || op == QNetworkAccessManager::GetOperation) {
             reply = new FakeGetReply { info, op, newRequest, this };
diff --git a/test/testallfilesdeleted.cpp b/test/testallfilesdeleted.cpp
index e3e3de50c243..5b3348992c79 100644
--- a/test/testallfilesdeleted.cpp
+++ b/test/testallfilesdeleted.cpp
@@ -181,7 +181,7 @@ private slots:
         QVERIFY(fakeFolder.syncOnce());
         QCOMPARE(aboutToRemoveAllFilesCalled, 0);
 
-        // Do some change localy
+        // Do some change locally
         fakeFolder.localModifier().appendByte("A/a1");
 
         // reset the server.
@@ -259,7 +259,7 @@ private slots:
         QVERIFY(fakeFolder.syncOnce());
         QCOMPARE(fingerprintRequests, 2);
         auto currentState = fakeFolder.currentLocalState();
-        // Altough the local file is kept as a conflict, the server file is downloaded
+        // Although the local file is kept as a conflict, the server file is downloaded
         QCOMPARE(currentState.find("A/a1")->contentChar, 'O');
         auto conflict = findConflict(currentState, "A/a1");
         QVERIFY(conflict);
@@ -325,7 +325,7 @@ private slots:
             QStringList() << "A/" << "B/" << "C/" << "S/");
 
         QVERIFY(fakeFolder.syncOnce());
-        QCOMPARE(fakeFolder.currentLocalState(), FileInfo{}); // all files should be one localy
+        QCOMPARE(fakeFolder.currentLocalState(), FileInfo{}); // all files should be one locally
         QCOMPARE(fakeFolder.currentRemoteState(), FileInfo::A12_B12_C12_S12()); // Server not changed
         QCOMPARE(aboutToRemoveAllFilesCalled, 0); // But we did not show the popup
     }
diff --git a/test/testasyncop.cpp b/test/testasyncop.cpp
index 2f05bd193c81..ca590bc749fb 100644
--- a/test/testasyncop.cpp
+++ b/test/testasyncop.cpp
@@ -157,7 +157,7 @@ private slots:
         insertFile("err/single_error2", 300, waitAndChain(errorCallback));
 
         // First sync should finish by itself.
-        // All the things in "success/" should be transfered, the things in "err/" not
+        // All the things in "success/" should be transferred, the things in "err/" not
         QVERIFY(!fakeFolder.syncOnce());
         QCOMPARE(nGET, 0);
         QCOMPARE(*fakeFolder.currentLocalState().find("success"),
diff --git a/test/testchunkingng.cpp b/test/testchunkingng.cpp
index 0c5175bf0da6..6b9930f3b8d8 100644
--- a/test/testchunkingng.cpp
+++ b/test/testchunkingng.cpp
@@ -408,7 +408,7 @@ private slots:
         QVERIFY(fakeFolder.syncOnce());
         QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
 
-        // Modify the file localy and start the upload
+        // Modify the file locally and start the upload
         fakeFolder.localModifier().setContents("A/a0", 'B');
         fakeFolder.localModifier().appendByte("A/a0");
 
diff --git a/test/testdownload.cpp b/test/testdownload.cpp
index 0f2f65164f15..7a00bd77a3db 100644
--- a/test/testdownload.cpp
+++ b/test/testdownload.cpp
@@ -14,7 +14,7 @@ using namespace OCC;
 
 static constexpr qint64 stopAfter = 3'123'668;
 
-/* A FakeGetReply that sends max 'fakeSize' bytes, but whose ContentLength has the corect size */
+/* A FakeGetReply that sends max 'fakeSize' bytes, but whose ContentLength has the correct size */
 class BrokenFakeGetReply : public FakeGetReply
 {
     Q_OBJECT
@@ -26,7 +26,7 @@ class BrokenFakeGetReply : public FakeGetReply
     {
         if (aborted)
             return 0;
-        return std::min(size, fakeSize) + QIODevice::bytesAvailable(); // NOLINT: This is intended to simulare the brokeness
+        return std::min(size, fakeSize) + QIODevice::bytesAvailable(); // NOLINT: This is intended to simulate the brokenness
     }
 
     qint64 readData(char *data, qint64 maxlen) override
diff --git a/test/testpermissions.cpp b/test/testpermissions.cpp
index f20409e7f3fc..0aba5f501c42 100644
--- a/test/testpermissions.cpp
+++ b/test/testpermissions.cpp
@@ -27,7 +27,7 @@ static void applyPermissionsFromName(FileInfo &info) {
 // https://github.com/owncloud/client/issues/2038
 static void assertCsyncJournalOk(SyncJournalDb &journal)
 {
-    // The DB is openend in locked mode: close to allow us to access.
+    // The DB is opened in locked mode: close to allow us to access.
     journal.close();
 
     SqlDatabase db;
@@ -283,7 +283,7 @@ private slots:
         QVERIFY(currentLocalState.find("readonlyDirectory_PERM_M_/subdir_PERM_CK_/subsubdir_PERM_CKDNV_/normalFile_PERM_WVND_.data" ));
         // new still exist
         QVERIFY(currentLocalState.find("readonlyDirectory_PERM_M_/newname_PERM_CK_/subsubdir_PERM_CKDNV_/normalFile_PERM_WVND_.data" ));
-        // but is not on server: so remove it localy for the future comarison
+        // but is not on server: so remove it locally for the future comarison
         fakeFolder.localModifier().remove("readonlyDirectory_PERM_M_/newname_PERM_CK_");
 
         //2.
diff --git a/test/testpushnotifications.cpp b/test/testpushnotifications.cpp
index 1d63ad2ce150..1b110d8fbedf 100644
--- a/test/testpushnotifications.cpp
+++ b/test/testpushnotifications.cpp
@@ -214,7 +214,7 @@ private slots:
 
         QVERIFY(fakeServer.waitForTextMessages());
         // FIXME: This a little bit ugly but I had no better idea how to trigger a error on the websocket client.
-        // The websocket that is retrived through the server is not connected to the ssl error signal.
+        // The websocket that is retrieved through the server is not connected to the ssl error signal.
         auto pushNotificationsWebSocketChildren = account->pushNotifications()->findChildren<QWebSocket *>();
         QVERIFY(pushNotificationsWebSocketChildren.size() == 1);
         emit pushNotificationsWebSocketChildren[0]->sslErrors(QList<QSslError>());
@@ -274,7 +274,7 @@ private slots:
         auto account = FakeWebSocketServer::createAccount();
         QVERIFY(fakeServer.authenticateAccount(account));
 
-        // Set the ping timeout interval to zero and check if the server attemps to authenticate again
+        // Set the ping timeout interval to zero and check if the server attempts to authenticate again
         fakeServer.clearTextMessages();
         account->pushNotifications()->setPingInterval(0);
         QVERIFY(fakeServer.authenticateAccount(
diff --git a/test/testselectivesync.cpp b/test/testselectivesync.cpp
index c91bd8b7634c..7aa33feb56d1 100644
--- a/test/testselectivesync.cpp
+++ b/test/testselectivesync.cpp
@@ -77,7 +77,7 @@ private slots:
         QCOMPARE(sizeRequests.count(), 1); // "A/newBigDir";
         sizeRequests.clear();
 
-        // Simulate that we accept all files by seting a wildcard white list
+        // Simulate that we accept all files by setting a wildcard white list
         fakeFolder.syncEngine().journal()->setSelectiveSyncList(SyncJournalDb::SelectiveSyncWhiteList,
             QStringList() << QLatin1String("/"));
         fakeFolder.syncEngine().journal()->schedulePathForRemoteDiscovery(QString("A/newBigDir"));
diff --git a/test/testsyncdelete.cpp b/test/testsyncdelete.cpp
index c2633ba4b610..63144cfcadec 100644
--- a/test/testsyncdelete.cpp
+++ b/test/testsyncdelete.cpp
@@ -25,7 +25,7 @@ private slots:
         fakeFolder.remoteModifier().remove("A");
         fakeFolder.localModifier().insert("A/hello.txt");
 
-        // Symetry
+        // Symmetry
         fakeFolder.localModifier().remove("B");
         fakeFolder.remoteModifier().insert("B/hello.txt");
 
@@ -35,7 +35,7 @@ private slots:
         QVERIFY(!fakeFolder.currentRemoteState().find("A/a1"));
         QVERIFY(fakeFolder.currentRemoteState().find("A/hello.txt"));
 
-        // Symetry
+        // Symmetry
         QVERIFY(!fakeFolder.currentRemoteState().find("B/b1"));
         QVERIFY(fakeFolder.currentRemoteState().find("B/hello.txt"));
 
diff --git a/test/testsyncengine.cpp b/test/testsyncengine.cpp
index d1b42bb93df5..746ccde3dc32 100644
--- a/test/testsyncengine.cpp
+++ b/test/testsyncengine.cpp
@@ -1091,7 +1091,7 @@ private slots:
             return nullptr;
         });
 
-        // make sure the first sync failes and files get restored to original folder
+        // make sure the first sync fails and files get restored to original folder
         QVERIFY(!fakeFolder.syncOnce());
 
         QVERIFY(fakeFolder.syncOnce());
@@ -1142,7 +1142,7 @@ private slots:
             return nullptr;
         });
 
-        // make sure the first sync failes and files get restored to original folder
+        // make sure the first sync fails and files get restored to original folder
         QVERIFY(!fakeFolder.syncOnce());
 
         QVERIFY(fakeFolder.syncOnce());
diff --git a/test/testsyncmove.cpp b/test/testsyncmove.cpp
index 37d80f97b160..04f29f8bebf9 100644
--- a/test/testsyncmove.cpp
+++ b/test/testsyncmove.cpp
@@ -351,7 +351,7 @@ private slots:
         QCOMPARE(counter.nGET, 1);
         counter.reset();
 
-        // remove localy, and remote move at the same time
+        // remove locally, and remote move at the same time
         fakeFolder.localModifier().remove("A/Q/W/a1m");
         remote.rename("A/Q/W/a1m", "A/Q/W/a1p");
         remote.rename(prefix + "/A/Q/W/a1m", prefix + "/A/Q/W/a1p");
@@ -814,7 +814,7 @@ private slots:
 
         // Test that renaming a file within a directory that was renamed on the other side actually do a rename.
 
-        // 1) move the folder alphabeticaly before
+        // 1) move the folder alphabetically before
         fakeFolder.remoteModifier().rename("A/a1", "A/a1m");
         fakeFolder.localModifier().rename("A", "_A");
         fakeFolder.localModifier().rename("B/b1", "B/b1m");
diff --git a/test/testutility.cpp b/test/testutility.cpp
index 780679684646..67030d7384a1 100644
--- a/test/testutility.cpp
+++ b/test/testutility.cpp
@@ -259,7 +259,7 @@ private slots:
         // a single character
         QVERIFY(!isPathWindowsDrivePartitionRoot("a"));
 
-        // a missing second chracter
+        // a missing second character
         QVERIFY(!isPathWindowsDrivePartitionRoot("c/"));
         QVERIFY(!isPathWindowsDrivePartitionRoot("c\\"));