diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 893eeef9..1d027ea5 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1328,6 +1328,9 @@ Reinhard Nissl <rnissl@gmx.de>
  for reporting a race condition when zapping in transfer mode
  for requesting that plugin Makefiles should include a configuration file for compile
  time parameters
+ for suggesting to add a remark indicating that the coordinates of Rect in a call to
+ cDevice::CanScaleVideo() are in the range of the width and height returned by
+ GetOsdSize()
 
 Richard Robson <richard_robson@beeb.net>
  for reporting freezing replay if a timer starts while in Transfer Mode from the
diff --git a/HISTORY b/HISTORY
index 87e674ab..07543817 100644
--- a/HISTORY
+++ b/HISTORY
@@ -7494,7 +7494,10 @@ Video Disk Recorder Revision History
   use it.
 - Added maximum SNR value for PCTV Systems PCTV 73ESE (thanks to Cedric Dewijs).
 
-2012-12-30: Version 1.7.36
+2013-01-03: Version 1.7.36
 
 - Added maximum SNR value for PCTV Systems nanoStick T2 290e (thanks to Antti
   Hartikainen).
+- Added a remark indicating that the coordinates of Rect in a call to
+  cDevice::CanScaleVideo() are in the range of the width and height returned by
+  GetOsdSize() (suggested by Reinhard Nissl).
diff --git a/device.h b/device.h
index e2847d86..05b56e91 100644
--- a/device.h
+++ b/device.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.h 2.42 2012/12/04 11:52:58 kls Exp $
+ * $Id: device.h 2.43 2013/01/03 08:53:06 kls Exp $
  */
 
 #ifndef __DEVICE_H
@@ -672,6 +672,8 @@ public:
        ///< be prepared for cases where the returned rectangle is way off the requested
        ///< Rect, or even Null. In such cases, the skin may want to fall back to
        ///< working with full screen video.
+       ///< The coordinates of Rect are in the range of the width and height returned
+       ///< by GetOsdSize().
        ///< If this device can't scale the video, a Null rectangle is returned (this
        ///< is also the default implementation).
   virtual void ScaleVideo(const cRect &Rect = cRect::Null) {}