diff --git a/components/richmemo/qt/qtrichmemo.pas b/components/richmemo/qt/qtrichmemo.pas
index aa519e318..997510b49 100644
--- a/components/richmemo/qt/qtrichmemo.pas
+++ b/components/richmemo/qt/qtrichmemo.pas
@@ -1,7 +1,10 @@
 unit QtRichMemo;
 
 interface
-
+//
+// Following class methods are need for the implementation
+//  QTextCharFormatH
+//  QTextBlockFormatH
 uses
   LCLType, Controls, StdCtrls,
   qt4, qtwidgets, qtprivate,