diff --git a/src/schema/vnc_cfg.xsd b/src/schema/vnc_cfg.xsd
index 56806a6e61a..d03f4f73f42 100644
--- a/src/schema/vnc_cfg.xsd
+++ b/src/schema/vnc_cfg.xsd
@@ -789,6 +789,17 @@ targetNamespace="http://www.contrailsystems.com/2012/VNC-CONFIG/0">
+
+
+
+ This flag is used to indicate whether packet with unknown
+ unicast destination mac should be broadcast or dropped.
+
+
+
+