diff --git a/ulwgl_dl_util.py b/ulwgl_dl_util.py
index 16a2cc82..59df2c7f 100644
--- a/ulwgl_dl_util.py
+++ b/ulwgl_dl_util.py
@@ -178,8 +178,8 @@ def _get_from_steamcompat(
         # Notify the user that they're not using the latest
         if proton_dir and proton.name != proton_dir:
             print(
-                "ULWGL-Proton is outdated.\nFor latest release, please download "
-                + files[1][1],
+                "ULWGL-Proton is outdated.\n"
+                "For latest release, please download " + files[1][1],
                 file=sys.stderr
             )
 
diff --git a/ulwgl_run.py b/ulwgl_run.py
index d1537f0a..a7d7f55d 100755
--- a/ulwgl_run.py
+++ b/ulwgl_run.py
@@ -17,15 +17,15 @@
 def parse_args() -> Union[Namespace, Tuple[str, List[str]]]:  # noqa: D103
     opt_args: Set[str] = {"--help", "-h", "--config"}
     exe: str = Path(__file__).name
-    usage: str = f"""
-example usage:
-  WINEPREFIX= GAMEID= PROTONPATH= {exe} /home/foo/example.exe
-  WINEPREFIX= GAMEID= PROTONPATH= {exe} /home/foo/example.exe -opengl
-  WINEPREFIX= GAMEID= PROTONPATH= {exe} ""
-  WINEPREFIX= GAMEID= PROTONPATH= PROTON_VERB= {exe} /home/foo/example.exe
-  WINEPREFIX= GAMEID= PROTONPATH= STORE= {exe} /home/foo/example.exe
-  {exe} --config /home/foo/example.toml
-    """
+    usage: str = (
+        "example usage:\n"
+        f"  WINEPREFIX= GAMEID= PROTONPATH= {exe} /home/foo/example.exe\n"
+        f"  WINEPREFIX= GAMEID= PROTONPATH= {exe} /home/foo/example.exe -opengl\n"
+        f"  WINEPREFIX= GAMEID= PROTONPATH= {exe} \"\"\n"
+        f"  WINEPREFIX= GAMEID= PROTONPATH= PROTON_VERB= {exe} /home/foo/example.exe\n"
+        f"  WINEPREFIX= GAMEID= PROTONPATH= STORE= {exe} /home/foo/example.exe\n"
+        f"  {exe} --config /home/foo/example.toml\n"
+    )
     parser: ArgumentParser = argparse.ArgumentParser(
         description="Unified Linux Wine Game Launcher",
         epilog=usage,
@@ -34,7 +34,8 @@ def parse_args() -> Union[Namespace, Tuple[str, List[str]]]:  # noqa: D103
     parser.add_argument("--config", help="path to TOML file")
 
     if not sys.argv[1:]:
-        err: str = "Please see project README.md for more info and examples.\nhttps://github.com/Open-Wine-Components/ULWGL-launcher"
+        err: str = ("Please see project README.md for more info and examples.\n"
+                    "https://github.com/Open-Wine-Components/ULWGL-launcher")
         parser.print_help(sys.stderr)
         raise SystemExit(err)
 
@@ -98,7 +99,8 @@ def check_env(
         # Check for empty keys
         for key, val in toml[table].items():
             if not val and isinstance(val, str):
-                err: str = f"Value is empty for '{key}' in TOML.\nPlease specify a value or remove the following entry:\n{key} = {val}"
+                err: str = (f"Value is empty for '{key}' in TOML.\n"
+                            f"Please specify a value or remove the following entry:\n{key} = {val}")
                 raise ValueError(err)
 
         return toml
@@ -128,7 +130,11 @@ def check_env(
 
     # If download fails/doesn't exist in the system, raise an error
     if not os.environ["PROTONPATH"]:
-        err: str = "Download failed.\nProton could not be found in cache or compatibilitytools.d\nPlease set $PROTONPATH or visit https://github.com/Open-Wine-Components/ULWGL-Proton/releases"
+        err: str = (
+            "Download failed.\n"
+            "Proton could not be found in cache or compatibilitytools.d\n"
+            "Please set $PROTONPATH or visit https://github.com/Open-Wine-Components/ULWGL-Proton/releases"
+        )
         raise FileNotFoundError(err)
 
     return env