diff --git a/Linux/nix-tips-and-tricks.md b/Linux/nix-tips-and-tricks.md
index 7c8ec7d..2a88177 100644
--- a/Linux/nix-tips-and-tricks.md
+++ b/Linux/nix-tips-and-tricks.md
@@ -6,14 +6,20 @@
 nix-env -iA nixpkgs.<packagename>
 ```
 
-# Nix Package Manager from Determinate Nix
-
-## Add packages
+If using flakes:
  
 ```bash
 nix profile add nixpkgs#package-name
 ```
 
+## Run a command
+
+If using flakes:
+
+```bash
+nix shell nixpkgs#hello -c hello
+```
+
 # NixOS
 
 ## Updating a Flake based system