diff --git a/Projects/Infrastructure/Nix commands (Flakes).md b/Projects/Infrastructure/Nix commands (Flakes).md
index fc47c4e..1032b40 100644
--- a/Projects/Infrastructure/Nix commands (Flakes).md	
+++ b/Projects/Infrastructure/Nix commands (Flakes).md	
@@ -1,4 +1,7 @@
 ## Table of contents
 TODO
 
-###
\ No newline at end of file
+### `nix build`
+
+Command to build nix packages, either locally sourced or from third parties (like nixpkgs)
+