diff --git a/window-numbering.el b/window-numbering.el
index aad9eca..8c645eb 100644
--- a/window-numbering.el
+++ b/window-numbering.el
@@ -1,4 +1,4 @@
-;;; winum.el --- Window numbers
+;;; winum.el --- Window numbers for Emacs. An extended version of window-numbering.el, ideal for multi-screen.
 ;;
 ;; Copyright (c) 2006-2015 Nikolaj Schumacher
 ;; Copyright (c) 2016 Thomas Chauvot de Beauchêne