Update dns-alias.md

Author: cynthn

articles/dns/dns-alias.md

@@ -4,7 +4,7 @@ description: In this article, learn about support for alias records in Microsoft
 services: dns
 author: greg-lindsay
 ms.service: azure-dns
-ms.topic: article
+ms.topic: concept-article
 ms.date: 03/08/2024
 ms.author: greglin
 ---
@@ -85,4 +85,4 @@ To learn more about alias records, see the following articles:
 
 - [Tutorial: Configure an alias record to refer to an Azure public IP address](tutorial-alias-pip.md)
 - [Tutorial: Configure an alias record to support apex domain names with Traffic Manager](tutorial-alias-tm.md)
-- [DNS FAQ](./dns-faq.yml)
+- [DNS FAQ](./dns-faq.yml)