diff --git a/home/README.md b/home/README.md
index 8deca2b..c721913 100644
--- a/home/README.md
+++ b/home/README.md
@@ -4,6 +4,7 @@ the home of my dotfiles, configured and managed by home-manager.
 
 name            | description
 --------------- | -----------
+`direnv`        | a shell extension, that loads environment variables in certain directories
 `default.nix`   | used for commonly shared modules, for multiple home-manager configs
 `dunst`         | notification daemon
 `git`           | version control system