diff --git a/README.md b/README.md
index e0c5b1a..dbdaa7c 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Recent Releases
 ####Please Note: trunk is current development branch.
 
 ####13-Oct-2013 - version 1.5.1 released (JDK 1.6+ compatible, Netty 4.0.9)
-Fixed - wrong ack timeout invocation  
+Fixed - wrong ack timeout callback invocation  
 Fixed - bigdecimal serialization for JSON  
 Fixed - infinity loop during packet handling exception  
 Fixed - 'client not found' handling