Update overview.md

Author: cynthn

articles/azure-boost/overview.md

@@ -3,7 +3,7 @@ title: Overview of Azure Boost
 description: Learn more about how Azure Boost can Learn more about how Azure Boost can improve security and performance of your virtual machines.
 author: mattmcinnes
 ms.service: azure-virtual-machines
-ms.topic: conceptual
+ms.topic: overview
 ms.custom:
   - ignite-2023
 ms.date: 11/07/2023