diff --git a/user.js b/user.js
index 87c15bf..b594e5f 100644
--- a/user.js
+++ b/user.js
@@ -993,7 +993,7 @@ user_pref("ghacks_user.js.parrot", "2400 syntax error: the parrot's kicked the b
  * the website for it to look at the clipboard
  * [1] http://www.ghacks.net/2014/01/08/block-websites-reading-modifying-clipboard-contents-firefox/ ***/
 user_pref("dom.event.clipboardevents.enabled", false);
-/* 2403: disable clipboard commands (cut/copy) from "non-privileged" content
+/* 2403: disable clipboard commands (cut/copy) from "non-privileged" content (FF41+)
  * this disables document.execCommand("cut"/"copy") to protect your clipboard
  * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1170911 ***/
 user_pref("dom.allow_cut_copy", false); // (hidden pref)