fixed broken links

Author: spelluru

articles/event-grid/mqtt-publish-and-subscribe-portal.md

@@ -134,7 +134,7 @@ After a successful installation of Step, open a command prompt in your user prof
     :::image type="content" source="./media/mqtt-publish-and-subscribe-portal/create-permission-binding-2.png" alt-text="Screenshot showing creation of second permission binding.":::
 1. Select **Create** to create the permission binding.
 
-## Connect clients to the EG namespace by using MQTTX app
+## Connect clients to the namespace by using MQTTX app
 
 1. To publish and subscribe to MQTT messages, use any tool you like. For demonstration purposes, this article shows how to publish and subscribe by using the MQTTX app. You can download the app from [https://mqttx.app/](https://mqttx.app/).
 1. Select **+** on the navigation bar to the left. 

articles/event-grid/mqtt-routing-to-azure-functions-cli.md

@@ -115,7 +115,7 @@ Follow instructions from [Quickstart: Publish and subscribe to MQTT messages on
 1. Create two clients.
 1. Create a topic space.
 1. Create publisher and subscriber permission bindings. 
-1. Test using [MQTTX app](mqtt-publish-and-subscribe-portal.md#connecting-the-clients-to-the-eg-namespace-using-mqttx-app) to confirm that clients are able to send and receive messages. 
+1. Test using [MQTTX app](mqtt-publish-and-subscribe-portal.md#connect-clients-to-the-namespace-by-using-mqttx-app) to confirm that clients are able to send and receive messages. 
 
 ## Enable managed identity for the namespace
 
@@ -158,7 +158,7 @@ The script uses the [`az eventgrid namespace update`](/cli/azure/eventgrid/names
 ## Send test MQTT messages using MQTTX
 Send test MQTT messages to the namespace and confirm that the function receives them.
 
-Follow instructions from the [Publish, subscribe messages using MQTTX app](mqtt-publish-and-subscribe-portal.md#publishsubscribe-using-mqttx-app) article to send a few test messages to the Event Grid namespace.
+Follow instructions from the [Publish, subscribe messages using MQTTX app](mqtt-publish-and-subscribe-portal.md#publish-and-subscribe-by-using-mqttx-app) article to send a few test messages to the Event Grid namespace.
 
 Here's the flow of the events or messages:
 

articles/event-grid/mqtt-routing-to-azure-functions-portal.md

@@ -156,7 +156,7 @@ In this section, configure routing for the Event Grid namespace so that the mess
 
 Send test MQTT messages to the namespace and confirm that the function receives them.
 
-Follow instructions from [Publish and subscribe using MQTTX app](mqtt-publish-and-subscribe-portal.md#publishsubscribe-using-mqttx-app) to send a few test messages to the Event Grid namespace.
+Follow instructions from [Publish and subscribe using MQTTX app](mqtt-publish-and-subscribe-portal.md#publish-and-subscribe-by-using-mqttx-app) to send a few test messages to the Event Grid namespace.
 
 Here's the flow of the events or messages: