diff --git a/docs/changes.txt b/docs/changes.txt
index 77d35eaff7..2ed7d11e9e 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -71,6 +71,7 @@ All:
 
 wxMSW:
 
+- huge (40*) speed up in wxMask::Create() (=> much faster toolbar creation)
 - fixed flicker in wxTreeCtrl::SetItemXXX()
 - fixed redraw problems in dynamically resized wxStaticText
 - fixed wxProgressDialog for ranges > 65535