diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 088eda68..80b1d1d6 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -1074,6 +1074,7 @@ Rolf Ahrenberg <rahrenbe@cc.hut.fi>
  for replacing the Finnish language code "smi" with "suo"
  for adding cap_sys_nice to the capabilities that are not dropped
  for adding cThread::SetIOPriority() and using it in cRemoveDeletedRecordingsThread
+ for suggesting to introduce cDevice::GetOsdSize()
 
 Ralf Klueber <ralf.klueber@vodafone.com>
  for reporting a bug in cutting a recording if there is only a single editing mark
diff --git a/HISTORY b/HISTORY
index 6c850cf3..07211dea 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6081,10 +6081,10 @@ Video Disk Recorder Revision History
 - The name of the function cDevice::GetVideoSize() wasn't very well chosen
   for its purpose of defining the optimum size of the OSD for the current
   output device. Therefore a new function named cDevice::GetOsdSize() has
-  been introduced. Plugin authors should implement this function in
-  classes derived from cDevice, if they are able to replay video.
-  cDevice::GetVideoSize() still exists and should return the size of the
-  video material that is currently replayed.
+  been introduced (suggested by Rolf Ahrenberg). Plugin authors should
+  implement this function in classes derived from cDevice, if they are able
+  to replay video. cDevice::GetVideoSize() still exists and should return the
+  actual size of the video material that is currently replayed.
 - Fixed the way the OSD size is determined on full featured DVB cards (thanks
   to Oliver Endriss).
 - Increased MAXOSDHEIGHT to 1200 (suggested by Nicolas Huillard).