diff --git a/ChangeLog b/ChangeLog
index f5c839ca..ac1a0d38 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,6 +21,7 @@
 
 
 TODO grouping does not work as expected:
+     - when changing a large group of faders, the volume change is very very slow, also the feedback from server, it seems the protocol is overloaded totally
      - vertical space between check boxes should be smaller
      - get rid of bIsSelected