Fix capitalization in image alt text

Author: LHL407

subscriptions/assign-github.md

@@ -54,7 +54,7 @@ If any of your subscribers renewed from regular Visual Studio subscriptions to V
 
 1. Select the **Overview** icon on the left menu.
    > [!div class="mx-imgBorder"]
-   > ![Open the Overview](_img/assign-github/overview.png "Screenshot of the tools icons on the Manage Subscribers page. The Overview button is highlighted.")
+   > ![Open the Overview](_img/assign-github/overview.png "Screenshot of the tools icons on the Manage subscribers page. The Overview button is highlighted.")
 0. Select **Move now**, and follow the prompts to finish the transition.
    > [!div class="mx-imgBorder"]
    > ![Move existing subscribers to GitHub](_img/assign-github/move-now.png "Screenshot of the message asking owners to move subscribers to the new subscriptions with GitHub.")

subscriptions/delete-license.md

@@ -26,7 +26,7 @@ To learn how to delete assignments, watch the following video or continue readin
 2. To delete the selected subscribers, select **Delete**.
 
    > [!div class="mx-imgBorder"]
-   > ![Delete subscribers](_img/delete-license/delete-subscribers.png "Screenshot of the Manage Subscribers page in the admin portal. The Delete menu option is highlighted.")
+   > ![Delete subscribers](_img/delete-license/delete-subscribers.png "Screenshot of the Manage subscribers page in the admin portal. The Delete menu option is highlighted.")
 
 3. When a message appears that asks you to confirm the deletion, select **OK**.
 
@@ -45,7 +45,7 @@ If you need to delete a large number of subscription assignments, you can use th
 1. [Sign in](https://manage.visualstudio.com) by using an email address with admin rights for the agreement that was used to purchase the subscriptions.
 0. Select the **Bulk edit** option.
    > [!div class="mx-imgBorder"]
-   > ![Select Bulk edit](_img/delete-license/bulk-edit-select.png "Screenshot of the Manage Subscribers page in the admin portal. The Bulk edit menu option is highlighted.")
+   > ![Select Bulk edit](_img/delete-license/bulk-edit-select.png "Screenshot of the Manage subscribers page in the admin portal. The Bulk edit menu option is highlighted.")
 
 0. The **Edit Multiple Subscribers** dialog appears.
 0. Select the **Export this excel** link in step 1.

subscriptions/exporting-subscriptions.md

@@ -29,7 +29,7 @@ To perform the export:
 2. Select the **Export** tab. The file downloads to your local machine. The file includes the name of the agreement that contains your user subscriptions, and the date of the export.
 
    > [!div class="mx-imgBorder"]
-   > ![Export subscribers](_img/exporting-subscriptions/exporting-subscriptions.png "Screenshot of the Manage Subscribers page in the admin portal. The Export menu item is highlighted.")
+   > ![Export subscribers](_img/exporting-subscriptions/exporting-subscriptions.png "Screenshot of the Manage subscribers page in the admin portal. The Export menu item is highlighted.")
 
 3. The exported list appears as a .csv file in your normal downloads location. The file name includes the agreement number and the date that you exported the list.