update master release notes. 
diff --git a/activemq-cpp/RELEASE_NOTES.txt b/activemq-cpp/RELEASE_NOTES.txt
index e86b071..ecbdfc5 100644
--- a/activemq-cpp/RELEASE_NOTES.txt
+++ b/activemq-cpp/RELEASE_NOTES.txt
@@ -3,6 +3,14 @@
 =========================================================================
 
 =========================================================================
+==  Release Notes for ActiveMQ CPP 3.9.2                               ==
+=========================================================================
+
+Bug
+
+    [AMQCPP-591] - Stomp client connections can't properly convert composite destinations
+
+=========================================================================
 ==  Release Notes for ActiveMQ CPP 3.9.1                               ==
 =========================================================================