diff --git a/docs/changes.txt b/docs/changes.txt
index 2b8b3c63b7..24d04880af 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -93,6 +93,8 @@ Major new features in 2.8 release
 
 All:
 
+- wxHashMap::insert() doesn't update the value if it didn't insert the element
+  any more (Marcin Malich).
 - Added Vietnamese translation (Tran Ngoc Quan).
 - Updated Slovenian translation (Martin Srebotnjak).