diff --git a/4.2.1-User-Scripts.md b/4.2.1-User-Scripts.md
index 181c95a..992079d 100644
--- a/4.2.1-User-Scripts.md
+++ b/4.2.1-User-Scripts.md
@@ -1,4 +1,4 @@
-some scripts... 
+some scripts... tested in Greasemonkey only
 
 ---