diff --git a/README b/README
index 311b9b2..497cf17 100644
--- a/README
+++ b/README
@@ -66,7 +66,9 @@ KNOWN ISSUES
 * Setting bar width is not possible on QBarSeries derived classes (the width
   is affected with setMargin, but it has limitations)
 * API for Animations state (signaling started, finished) and setting duration
-  etc. are missing
+  etc. is missing
+* In QBarSeries API bar margin related methods will be replaced with bar width
+  in final release
 
 Main changes between Technology Preview and Beta release
 ========================================================
@@ -78,4 +80,4 @@ Main changes between Technology Preview and Beta release
 * Model API  refactored and moved from Series Classes to separate Model
   Mapper Classes
 * First version of Qt Designer plugin included
-* Example for handling Gestures included (ZoomLineChart example)
\ No newline at end of file
+* Example for handling Gestures included (ZoomLineChart example)