diff --git a/README.md b/README.md
index 8dc8d7e..2bb1fdb 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ Recent Releases
 ####??-Mar-2014 - version 1.6.4
 Fixed - message release problem  
 Fixed - problem with exception listener override in configuration  
+__Breaking api change__ - DataListener.onData now throws Exception  
 Improvement - data parameter added to exception listener  
 Improvement - ability to setup socket configuration