diff --git a/README.md b/README.md
index cc54f1e..f588f79 100644
--- a/README.md
+++ b/README.md
@@ -36,19 +36,19 @@ rm virtscreen_0.2.1-1_all.deb
 
 ### Arch Linux (AUR)
 
-There is [`virtscreen` AUR package](https://aur.archlinux.org/packages/virtscreen/) available. Though there are many ways to install the AUR package, one of the easiest way is to use [`aurman`](https://github.com/polygamma/aurman) AUR helper:
+There is [`virtscreen` AUR package](https://aur.archlinux.org/packages/virtscreen/) available. Though there are many ways to install the AUR package, one of the easiest way is to use [`yaourt`](https://github.com/polygamma/aurman) AUR helper:
 
 ```bash
-aurman -S virtscreen
+yaourt virtscreen
 ```
 
 ### Python `pip`
 
 If your distro is none of above, you may install it using `pip`. In this case, you need to install the dependancies manually.
 
-You need [`x11vnc`](https://github.com/LibVNC/x11vnc), `xrandr`, and PyQt5 libraries. To install (e.g. on Ubuntu):
+You need [`x11vnc`](https://github.com/LibVNC/x11vnc), `xrandr`. To install (e.g. on Ubuntu):
 ```bash
-sudo apt-get install x11vnc qtbase5-dev  # On Debian/Ubuntu, xrandr is included.
+sudo apt-get install x11vnc  # On Debian/Ubuntu, xrandr is included.
 ```
 
 After you install the dependancies then run:
diff --git a/setup.py b/setup.py
index 78daf7e..fa56552 100644
--- a/setup.py
+++ b/setup.py
@@ -147,8 +147,7 @@
     install_requires=['PyQt5>=5.10.1',
                       'Twisted>=17.9.0',
                       'qt5reactor>=0.5',
-                      'netifaces>=0.10.6',
-                      'PyOpenGL>=3.1.0'],  # Optional
+                      'netifaces>=0.10.6'],  # Optional
 
     # List additional groups of dependencies here (e.g. development
     # dependencies). Users will be able to install these using the "extras"
diff --git a/virtscreen.desktop b/virtscreen.desktop
index 810fb1e..3c46c4a 100755
--- a/virtscreen.desktop
+++ b/virtscreen.desktop
@@ -1,9 +1,8 @@
 [Desktop Entry]
-Encoding=UTF-8
 Type=Application
 Name=VirtScreen
 Comment=Make your iPad/tablet/computer as a secondary monitor on Linux
-Exec=bash -c "export PATH=$PATH:$HOME/.local/bin; virtscreen"
+Exec=bash -c "export PATH=\\$PATH:\\$HOME/.local/bin; virtscreen"
 Icon=virtscreen
 Terminal=false
 StartupNotify=false