diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index 9c93301d14..2d92b6b6ce 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -1,5 +1,9 @@
 APM:Copter Release Notes:
 ------------------------------------------------------------------
+Copter 3.3.4-rc3-pixracer 23-Feb-2016
+Changes from 3.3.4-rc2-pixracer
+1) fix parameter save issue caused by bus locking
+------------------------------------------------------------------
 Copter 3.3.4-rc2-pixracer 20-Feb-2016
 Changes from 3.3.4-rc1-pixracers
 1) fix SBUS input