diff --git a/forms/HtmlEditorField.php b/forms/HtmlEditorField.php
index dc37d2d01..e1de0d445 100755
--- a/forms/HtmlEditorField.php
+++ b/forms/HtmlEditorField.php
@@ -9,6 +9,9 @@
  * A WYSIWYG editor field, powered by tinymce.
  * tinymce editor fields are created from <textarea> tags which are then converted with javascript.
  * The {@link Requirements} system is used to ensure that all necessary javascript is included.
+ * Caution: Only works within the CMS with a global tinymce-menubar, see {@link CMSMain}
+ * 
+ * 
  * @package forms
  * @subpackage fields-formattedinput
  */