diff --git a/src/ops/direnv/envrc.bash b/src/ops/direnv/envrc.bash
index a976c911..215aea94 100644
--- a/src/ops/direnv/envrc.bash
+++ b/src/ops/direnv/envrc.bash
@@ -158,6 +158,7 @@ function declare() {
 
         # https://github.com/nix-community/lorri/issues/48 and
         # https://github.com/nix-community/home-manager/blob/master/modules/misc/xdg-system-dirs.nix#L16-L36
+        # required for bash completions https://github.com/NixOS/nixpkgs/pull/103501
         "XDG_DATA_DIRS="*) prepend "XDG_DATA_DIRS" ":" "$@";;
         "XDG_CONFIG_DIRS="*) prepend "XDG_CONFIG_DIRS" ":" "$@";;