diff --git a/flake.nix b/flake.nix
index 1644680..4a18a91 100644
--- a/flake.nix
+++ b/flake.nix
@@ -50,7 +50,7 @@
           VK_LAYER_PATH="${pkgs.vulkan-validation-layers}/share/vulkan/explicit_layer.d";
           SDL_VULKAN_LIBRARY="${pkgs.vulkan-loader}/lib/libvulkan.so";
         };
-        #devShell = pkgs.mkShell {
+        #devShells.${system} = pkgs.mkShell {
         #  buildInputs = with haskellPackages; [
         #    haskell-language-server
         #    ghcid
@@ -64,6 +64,8 @@
         #    vulkan-loader
         #  ];
         #  inputsFrom = builtins.attrValues self.packages.${system};
+        #  VK_LAYER_PATH="${pkgs.vulkan-validation-layers}/share/vulkan/explicit_layer.d";
+        #  SDL_VULKAN_LIBRARY="${pkgs.vulkan-loader}/lib/libvulkan.so";
         #};
     });
 }