Added more lightboxes

Author: w-azure

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

@@ -256,7 +256,7 @@ You can use the portal to view the uploaded file in the storage container you co
 1. Select the folder named after your device.
 1. Select the blob that you uploaded your file to. In this article, it's the blob named **TestPayload.txt**.  
 
-    :::image type="content" source="./media/iot-hub-csharp-csharp-file-upload/view-uploaded-file.png" alt-text="Screenshot of selecting the uploaded file in the Azure portal.":::
+    :::image type="content" source="./media/iot-hub-csharp-csharp-file-upload/view-uploaded-file.png" alt-text="Screenshot of selecting the uploaded file in the Azure portal." lightbox="./media/iot-hub-csharp-csharp-file-upload/view-uploaded-file.png":::
 
 1. View the blob properties on the page that opens. You can select **Download** to download the file and view its contents locally.
 

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

@@ -402,7 +402,7 @@ In this section, you create a Java console app that receives file upload notific
 4. Save and close the `pom.xml` file.
 
 5. Get the IoT Hub service connection string.
-    [!INCLUDE [iot-hub-include-find-service-connection-string](../../includes/iot-hub-include-find-service-connection-string.md)]
+   [!INCLUDE [iot-hub-include-find-service-connection-string](../../includes/iot-hub-include-find-service-connection-string.md)]
 
 6. Using a text editor, open the `my-app\src\main\java\com\mycompany\app\App.java` file and replace the code with the following.
 

includes/iot-hub-include-find-service-connection-string.md

@@ -21,6 +21,6 @@ To get the IoT Hub connection string for the **service** policy, follow these st
 
 1. Copy the **Primary connection string** and save the value.
 
-:::image type="content" source="./media/iot-hub-include-find-service-connection-string/iot-hub-get-connection-string.png" alt-text="Screenshot that shows how to retrieve the connection string" border="true":::
+:::image type="content" source="./media/iot-hub-include-find-service-connection-string/iot-hub-get-connection-string.png" alt-text="Screenshot that shows how to retrieve the connection string from your IoT Hub in the Azure portal." border="true" lightbox="./media/iot-hub-include-find-service-connection-string/iot-hub-get-connection-string.png":::
 
 For more information about IoT Hub shared access policies and permissions, see [Access control and permissions](../articles/iot-hub/iot-hub-dev-guide-sas.md#access-control-and-permissions).