diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index b31c68b5c3..c840e9092b 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -24,6 +24,7 @@ Changes from 4.5.2
 3) Copter specific changes
 
 - fixed speed constraint during avoidance backoff
+- zero D_FF during autotune twitch
 
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 Release 4.5.2 14th May 2024