add link to retirement blog

Author: duongau

includes/front-door-classic-retirement.md

@@ -10,4 +10,4 @@
  ms.custom: include file
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 > [!IMPORTANT]
-> Azure Front Door (classic) will be retired on **March 31, 2027**. To avoid any service disruption, it is important that you [**migrate your Azure Front Door (classic) profiles**](../articles/frontdoor/migrate-tier.md) to Azure Front Door Standard or Premium tier by March 2027. For detailed information, see [**Azure Front Door (classic) retirement**](https://azure.microsoft.com/en-us/updates/azure-front-door-classic-will-be-retired-on-31-march-2027/).
+> Azure Front Door (classic) will be retired on **March 31, 2027**. To avoid any service disruption, it is important that you [**migrate your Azure Front Door (classic) profiles**](../articles/frontdoor/migrate-tier.md) to Azure Front Door Standard or Premium tier by March 2027. For more information, see [**Azure Front Door (classic) retirement**](https://azure.microsoft.com/en-us/updates/azure-front-door-classic-will-be-retired-on-31-march-2027/).