diff --git a/lib/options.nix b/lib/options.nix
index d2eae3ae3a98..e5c0631a5437 100644
--- a/lib/options.nix
+++ b/lib/options.nix
@@ -36,7 +36,7 @@ rec {
     example ? null,
     # String describing the option.
     description ? null,
-    # Related packages used in the manual (see `genRelatedPackages` in ../nixos/doc/manual/default.nix).
+    # Related packages used in the manual (see `genRelatedPackages` in ../nixos/lib/make-options-doc/default.nix).
     relatedPackages ? null,
     # Option type, providing type-checking and value merging.
     type ? null,