diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 7f6ad47f8f4..bbbf1412587 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -474,6 +474,7 @@ ARM/Thumb register scavenging improvements?
 New SSAUpdater and MachineSSAUpdater classes for unstructured ssa updating,
   changed jump threading, GVN, etc to use it which simplified them and speed
   them up.
+Combiner-AA improvements, why not on by default?
 
 CondProp pass removed (functionality merged into jump threading).
 AndersAA got removed (from 2.7 or mainline?)