diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index c93a32bd8d136a39a9a02f8854ea11fe61ad9333..0678f5645700b0f6ceaed9325b63d24f719f2454 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -1,5 +1,9 @@
 ArduCopter Release Notes:
 ------------------------------------------------------------------
+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
+------------------------------------------------------------------
 ArduCopter 3.1.2 13-Feb-2014 / ArduCopter 3.1.2-rc2 12-Feb-2014
 Changes from 3.1.2-rc1
 1) GPS Glitch detection disabled when connected via USB