diff --git a/Nix.md b/Nix.md
index 2e79f6a..23746f5 100644
--- a/Nix.md
+++ b/Nix.md
@@ -11,7 +11,7 @@ nix-channel --update
 ```
 to configure a channel (repository).
 
-Now add the `~/.nix-profile/bin` directory to your `$PATH`.
+Now add the `~/.nix-profile/bin` directory to your `$PATH`. For Fish, you can do this with `fish_add_path ~/.nix-profile/bin`.
 
 ## Usage
 
@@ -21,4 +21,14 @@ Check out [this guide](https://nixos.org/guides/dev-environment.html) for settin
 
 ## Tips and tricks
 
-To run OpenGL and Vulkan applications, install [NixGL](https://github.com/guibou/nixGL).
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+### Graphical acceleration
+
+To run OpenGL and Vulkan applications, install [NixGL](https://github.com/guibou/nixGL).
+
+### Desktop integration
+
+For integrating Nix applications with your desktop environment, add the `~/.nix-profile/share` directory to your `$XDG_DATA_DIRS`. For instance, with Fish this would look like adding `export XDG_DATA_DIRS="$HOME/.nix-profile/share:$XDG_DATA_DIRS"` to your `~/.config/fish/config.fish`.
+
+### Locale warnings
+
+Export the environmental variable `LC_ALL=C` to fix locale warnings.
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