screenshot and alt-text edits

Author: brhamilton529

articles/spring-apps/how-to-deploy-in-azure-virtual-network.md

@@ -154,7 +154,7 @@ Select the virtual network **azure-spring-apps-vnet** you previously created.
    > [!NOTE]
    > If you don't find the "Azure Spring Apps Resource Provider", search for "Azure Spring Cloud Resource Provider".
 
-    ![Screenshot that shows owner assignment to resource provider.](./media/spring-cloud-v-net-injection/assign-owner-resource-provider.png)
+   :::image type="content" source="./media/spring-cloud-v-net-injection/assign-owner-resource-provider.png" alt-text="Screenshot of the Azure portal showing the Access Control (IAM) page, with the Add Role Assignmnet pane open and search results displaying the Azure Spring Apps Resource Provider." lightbox="./media/spring-cloud-v-net-injection/assign-owner-resource-provider.png":::
 
     You can also do this step by running the following Azure CLI command:
 

articles/spring-apps/media/custom-dns-tutorial/import-certificate-b.png

@@ -109,7 +109,7 @@ You need to grant Azure Spring Apps access to your key vault before you import c
 
 #### [Portal](#tab/Azure-portal)
 1. Go to your key vault instance.
-1. In the left navigation pane, select **Access Police**.
+1. In the left navigation pane, select **Access Policy**.
 1. On the upper menu, select **Add Access Policy**.
 1. Fill in the info, and select **Add** button, then **Save** access police.
 
@@ -120,7 +120,7 @@ You need to grant Azure Spring Apps access to your key vault before you import c
    > [!NOTE]
    > If you don't find the "Azure Spring Apps Resource Provider", search for "Azure Spring Cloud Resource Provider".
 
-![Import certificate 2](./media/custom-dns-tutorial/import-certificate-b.png)
+   :::image type="content" source="./media/custom-dns-tutorial/import-certificate-b.png" alt-text="Screenshot of the Azure portal showing the Add Access Policy page for a key vault with Azure Spring Apps Domain-management selected from the Select a principal dropdown." lightbox="./media/custom-dns-tutorial/import-certificate-b.png":::
 
 #### [CLI](#tab/Azure-CLI)