diff --git a/4.2.1-User-Scripts.md b/4.2.1-User-Scripts.md
index fa60810..286b6ba 100644
--- a/4.2.1-User-Scripts.md
+++ b/4.2.1-User-Scripts.md
@@ -1,4 +1,5 @@
-some scripts... tested in Greasemonkey only
+some scripts... tested in Firemonkey only.<br><br>
+Scripts with `@run-at  document-start` don't work reliable enough with Greasemonkey (as of GM 4.9)!
 
 ---
 
@@ -17,10 +18,6 @@ some scripts... tested in Greasemonkey only
 // @match              https://*/*
 // @exclude            https://www.catalog.update.microsoft.com/DownloadDialog.aspx
 // @run-at             document-start
-// Keys for GM:
-// @namespace          ghacksuserjs
-// @grant              GM.notification
-// Keys for FM:
 // @allFrames          true
 // @matchAboutBlank    true
 // ==/UserScript==