Update cdn-create-a-storage-account-with-cdn.md

The following should be clearly stated so readers are aware of the risks:

"Azure Content Delivery Network provides a permanent access to Azure Storage resources and removing the access requires manual steps."

Author: azarboon

articles/cdn/cdn-create-a-storage-account-with-cdn.md

@@ -14,6 +14,11 @@ ms.custom: mvc, mode-other
 
 In this quickstart, you enable [Azure Content Delivery Network](cdn-overview.md) to cache content from Azure Storage. Azure Content Delivery Network offers developers a global solution for delivering high-bandwidth content. It can cache blobs and static content of compute instances at physical nodes in the United States, Europe, Asia, Australia, and South America.
 
+> [!NOTE]  
+> Azure Content Delivery Network provides a permanent access to Azure Storage resources and removing the access requires manual steps.
+> 
+
+
 ## Prerequisites
 
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?ref=microsoft.com&utm_source=microsoft.com&utm_medium=docs&utm_campaign=visualstudio).