herbstluftwm/autostart: Update documentation.

diff --git a/herbstluftwm/autostart b/herbstluftwm/autostart
index d5f30a8b8d6f6ffa547dea1be2f77e2ddb1fd0c9..6704bd836c61aedf6d00102997fa2b8757e01a8a 100755 (executable)
--- a/herbstluftwm/autostart
+++ b/herbstluftwm/autostart
@@ -32,7 +32,8 @@ hc emit_hook reload
 
 # KEY BINDINGS
 
-# Modifier used for all herbstluftwm key bindings.
+# Use Super (= "Windows") key as modifier which is used for all herbstluftwm
+# key bindings.
 mod=Mod4
 
 # Remove all existing key bindings.