diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index 2d0b58aa0176ed0fc8b611f299bbfca916601df0..f51a61835e7b1313847f4cf3809d77a7c6bf8ca5 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -1,17 +1,18 @@
 ArduCopter Release Notes:
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 ArduCopter 3.1.1-rc1 14-Jan-2013
-Changes from 3.1.1
+Changes from 3.1
 1) Pixhawk improvements:
     a) Telemetry port 2 enabled (for MinimOSD)
     b) SD card reliability improvements
     c) parameters moved to FRAM
     d) faster parameter loading via USB
+    e) Futaba SBUS receiver support
 2) Bug fixes:
     a) Loiter initialisation fix (Loiter would act like AltHold until flight mode switch changed position)
     b) ROI commands were not returning Lat, Lon, Alt to mission planner when mission was loaded from APM
 3) TradHeli only fixes:
-    a) Drift uses non-tilt-compensated throttle controller
+    a) Drift now uses same (reduced) collective range as stabilize mode
     b) AutoTune disabled (for tradheli only)
     c) Landing collective (smaller than normal collective) used whenever copter is not moving
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