Merge pull request #177474 from v-gpettibone/pics16

Updating pics for file upload

Author: v-andreaco

articles/iot-hub/iot-hub-configure-file-upload.md

@@ -28,15 +28,13 @@ To use the [file upload functionality in IoT Hub](iot-hub-devguide-file-upload.m
 
 1. In the [Azure portal](https://portal.azure.com), navigate to your IoT hub and select **File upload** to display the file upload properties. Then select **Azure Storage Container** under **Storage container settings**.
 
-    :::image type="content" source="./media/iot-hub-configure-file-upload/file-upload-settings.png" alt-text="View IoT Hub file upload settings in the portal":::
+    :::image type="content" source="./media/iot-hub-configure-file-upload/file-upload-settings.png" alt-text="Screenshot that shows how to configure file upload settings in the portal.":::
 
-1. Select an Azure Storage account and blob container in your current subscription to associate with your IoT hub. If necessary, you can create an Azure Storage account on the **Storage accounts** pane and create a blob container on the **Containers** pane. 
+1. Select an Azure Storage account and blob container in your current subscription to associate with your IoT hub. If necessary, you can create an Azure Storage account on the **Storage accounts** pane and create a blob container on the **Containers** pane.
 
-   :::image type="content" source="./media/iot-hub-configure-file-upload/file-upload-container-selection.png" alt-text="View storage containers for file upload in the portal":::
+   :::image type="content" source="./media/iot-hub-configure-file-upload/file-upload-container-selection.png" alt-text="Screenshot showing how to view storage containers for file upload.":::
 
-1. After you've selected an Azure Storage account and blob container, configure the rest of the file upload properties.    
-
-    :::image type="content" source="./media/iot-hub-configure-file-upload/file-upload-selected-container.png" alt-text="Configure IoT Hub file upload in the portal":::
+1. After you've selected an Azure Storage account and blob container, configure the rest of the file upload properties.
 
     * **Receive notifications for uploaded files**: Enable or disable file upload notifications via the toggle.