diff --git a/packages/nix/NIX.md b/packages/nix/NIX.md
index f778dac1..1ceba9a3 100644
--- a/packages/nix/NIX.md
+++ b/packages/nix/NIX.md
@@ -8,7 +8,7 @@ inputs = {
 
 ...
 
-nixpkgs.overlays = [ inputs.polymc.overlay.${system} ]; ## Within configuration.nix
+nixpkgs.overlays = [ inputs.polymc.overlay ]; ## Within configuration.nix
 environment.systemPackages = with pkgs; [ polymc ]; ##
 ```
 
@@ -28,4 +28,4 @@ nixpkgs.overlays = [
 ];
 
 environment.systemPackages = with pkgs; [ polymc ];
-```
\ No newline at end of file
+```