mqtt broker changes

Author: Venkata Yaddanapudi

articles/event-grid/mqtt-event-grid-namespace-terminology.md

@@ -53,6 +53,6 @@ A Permission Binding grants access to a specific client group to either publish
 ## Next steps
 
 - Learn about [creating an Event Grid namespace](create-view-manage-namespaces.md)
-- Learn about [MQTT support in Event Grid](mqtt-overview.md)
+- Learn about [MQTT broker feature in Azure Event Grid](mqtt-overview.md)
 - Learn more about [MQTT clients](mqtt-clients.md)
 - Learn how to [Publish and subscribe MQTT messages using Event Grid namespace](mqtt-publish-and-subscribe-portal.md)

articles/event-grid/mqtt-overview.md

@@ -113,6 +113,6 @@ Use the following articles to learn more about the MQTT broker and its main conc
 - [Terminology](mqtt-event-grid-namespace-terminology.md)
 - [Client authentication](mqtt-client-authentication.md) 
 - [Access control](mqtt-access-control.md) 
-- [MQTT support](mqtt-support.md) 
+- [MQTT protocol support](mqtt-support.md) 
 - [Routing MQTT messages](mqtt-routing.md) 
 - [MQTT Client Life Cycle Events](mqtt-client-life-cycle-events.md).