diff --git a/README.md b/README.md
index 7bf7e08..720b0ef 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,8 @@ let
   doom-emacs = pkgs.callPackage (builtins.fetchTarball {
     url = https://github.com/vlaci/nix-doom-emacs/archive/master.tar.gz;
   }) {
-    doomPrivateDir = ./doom.d;
+    doomPrivateDir = ./doom.d;  # Directory containing your config.el init.el
+                                # and packages.el files
   };
 in {
   home.packages = [ doom-emacs ];