Merge pull request #245367 from veyaddan/vy-mqtt-qs-0525

CA cert upload file name

Author: prmerger-automator[bot]

articles/event-grid/event-schema-event-grid-namespace.md

@@ -6,12 +6,12 @@ ms.custom: build-2023
 ms.date: 12/02/2022
 ---
 
-# Azure Event Grid Namespace as an Event Grid source
+# Azure Event Grid Namespace (Preview) as an Event Grid source
 This article provides the properties and schema for Azure Event Grid namespace events. For an introduction to event schemas, see [Azure Event Grid event schema](event-schema.md). 
 
 ## Available event types
 
-Azure Event Grid namespace emits the following event types:
+Azure Event Grid namespace (Preview) emits the following event types:
 
 | Event type | Description |
 | ---------- | ----------- |

articles/event-grid/mqtt-certificate-chain-client-authentication.md

@@ -37,11 +37,12 @@ Using the CA files generated to create certificate for the client.
 
 ## Upload the CA certificate to the namespace
 1. In Azure portal, navigate to your Event Grid namespace.
-2. Under the MQTT section in left rail, navigate to CA certificates menu.
+1. Under the MQTT section in left rail, navigate to CA certificates menu.
 
 :::image type="content" source="./media/mqtt-certificate-chain-client-authentication/event-grid-namespace-upload-certificate-authority-certificate.png" alt-text="Screenshot showing the CA certificate page under MQTT section in Event Grid namespace.":::
 
-3. Select **+ Certificate** to launch the Upload certificate page.
+1. Select **+ Certificate** to launch the Upload certificate page.  
+1. Add certificate name and browse to find the intermediate certificate (.step/certs/intermediate_ca.crt) and select **Upload**.
 
 > [!NOTE]
 > - CA certificate name can be 3-50 characters long.