diff --git a/README.md b/README.md
index 3f0b1d25..7126676d 100644
--- a/README.md
+++ b/README.md
@@ -238,9 +238,11 @@ some options for known games using the <tt>STEAM_COMPAT_CONFIG</tt> variable.
 You can override these options using the environment variables described below.
 The best way to set these environment overrides for all games is by renaming
 `user_settings.sample.py` to `user_settings.py` and modifying it appropriately.
-If you want to change the runtime configuration for a specific game, you can
-use the `Set Launch Options` setting in the game's `Properties` dialog in the Steam client. You can launch the
-game as you would with "`PROTON_VARIABLE=1 %command%`" [(source)](https://superuser.com/questions/954041/how-to-set-an-environment-variable-for-an-specific-game-on-steam-for-linux#980437).
+This file is located in the Proton installation directory in your Steam library
+(often `~/.steam/steam/steamapps/common/Proton #.#`). If you want to change the
+runtime configuration for a specific game, you can use the `Set Launch Options`
+setting in the game's `Properties` dialog in the Steam client.  You can launch
+the game with environment variables using "`PROTON_VARIABLE=1 %command%`".
 
 To enable an option, set the variable to a non-<tt>0</tt> value.  To disable an
 option, set the variable to <tt>0</tt>. To use Steam's default configuration, do