fix a link

Author: mumian

articles/azure-resource-manager/templates/deployment-script-template.md

@@ -37,7 +37,7 @@ The benefits of deployment script:
 
 ## Prerequisites
 
-- **A user-assigned managed identity with the contributor's role at the subscription level**. This identity is used to execute deployment scripts. To create one, see [Create a user-assigned managed identity by using the Azure portal](../../active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-portal.md), or [by using Azure CLI](../../active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-cli.md), or [by using Azure PowerShell](../../active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-powershel.md). You need the identity ID when you deploy the template. The format of the identity is:
+- **A user-assigned managed identity with the contributor's role at the subscription level**. This identity is used to execute deployment scripts. To create one, see [Create a user-assigned managed identity by using the Azure portal](../../active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-portal.md), or [by using Azure CLI](../../active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-cli.md), or [by using Azure PowerShell](../../active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-powershell.md). You need the identity ID when you deploy the template. The format of the identity is:
 
   ```json
   /subscriptions/<SubscriptionID>/resourcegroups/<ResourceGroupName>/providers/Microsoft.ManagedIdentity/userAssignedIdentities/<IdentityID>