diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index 0678f5645700b0f6ceaed9325b63d24f719f2454..271a965251a992f176665c54c52ff977ded19999 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -1,5 +1,9 @@
 ArduCopter Release Notes:
 ------------------------------------------------------------------
+ArduCopter 3.1.4-rc1 2-May-2014
+Changes from 3.1.3
+1) Bug Fix for Pixhawk/PX4 NuttX I2C memory corruption when errors are found on I2C bus
+------------------------------------------------------------------
 ArduCopter 3.1.3 7-Apr-2014
 Changes from 3.1.2
 1) Stability patch fix which could cause motors to go to min at full throttle and with large roll/pitch inputs