Update title

Author: allenkting

doc/mgmt/OpenConfig_VLAN_Interface.md

@@ -1,4 +1,4 @@
-# OpenConfig support for VLAN interface and VLAN member.
+# Add support for VLAN interface using OpenConfig YANG.
 
 # High Level Design Document
 #### Rev 0.1
@@ -1100,4 +1100,4 @@ GET deleted VLAN interface:
 curl -X GET -k "https://100.94.113.12/restconf/data/openconfig-interfaces:interfaces/interface=Vlan10" -H "accept: application/yang-data+json"
 
 {"ietf-restconf:errors":{"error":[{"error-type":"application","error-tag":"invalid-value","error-message":"Resource not found"}]}}
-```
+```