Add the preview flag

Add the preview flag to the title to correctly display the current status of the Private Link for Azure Resource Manager functionality

Author: jennyhunter-msft

articles/azure-resource-manager/management/create-private-link-access-rest.md

@@ -5,7 +5,7 @@ ms.topic: conceptual
 ms.date: 07/29/2021
 ---
 
-# Use REST API to create private link for managing Azure resources
+# Use REST API to create private link for managing Azure resources (preview)
 
 This article explains how you can use [Azure Private Link](../../private-link/index.yml) to restrict access for managing resources in your subscriptions.
 
@@ -132,4 +132,4 @@ If your request is automatically approved, you can continue to the next section.
 
 ## Next steps
 
-To learn more about private links, see [Azure Private Link](../../private-link/index.yml).
+To learn more about private links, see [Azure Private Link](../../private-link/index.yml).