diff --git a/Projects/Infrastructure/Nix commands (Flakes).md b/Projects/Infrastructure/Nix commands (Flakes).md
index 8ad79ce..c8e53e5 100644
--- a/Projects/Infrastructure/Nix commands (Flakes).md	
+++ b/Projects/Infrastructure/Nix commands (Flakes).md	
@@ -10,12 +10,22 @@ Command to build nix packages, either locally sourced or from third parties (lik
 
 #### Local
 
-Set something to build inside your Nix flake (`flake.nix`) then run `nix build`
+Set something to build inside your Nix flake (`flake.nix`) then run `nix build`.
+
+Here's an example you can put in Nix flake:
 
 ```nix
-
+```
+ packages.default = pkgs.rustPlatform.buildRustPackage {
+  name = "zero-to-nix-rust";
+  src = ./.;
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+  };
+};
+```
 ```
 
 #### Third party/Remote
 
-You can either grab something from GitHub (using the `github:user/repo*#optional_pkg`) or a URL (using the `https://scm.wyattjmiller.com/wymiller/cool-repo*#pkg)
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+You can either grab something from GitHub (using the `github:user/repo*#optional_pkg`) or a URL (using the `https://scm.wyattjmiller.com/wymiller/cool-repo*#pkg`)
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