Replaced reference to WVD with AVD

Article references old name.  AVD is new name, or AVD (Classic) representing what was WVD.

Author: Gary McMahon

articles/migrate/migrate-services-overview.md

@@ -21,7 +21,7 @@ Azure Migrate provides a centralized hub to assess and migrate on-premises serve
     - **Servers, databases, and web apps**: Assess on-premises servers including web apps and SQL Server instances and migrate them to Azure virtual machines or Azure VMware Solution (AVS) (Preview).
     - **Databases**: Assess on-premises databases and migrate them to Azure SQL Database or to SQL Managed Instance.
     - **Web applications**: Assess on-premises web applications and migrate them to Azure App Service.
-    - **Virtual desktops**: Assess your on-premises virtual desktop infrastructure (VDI) and migrate it to Windows Virtual Desktop in Azure.
+    - **Virtual desktops**: Assess your on-premises virtual desktop infrastructure (VDI) and migrate it to Azure Virtual Desktop.
     - **Data**: Migrate large amounts of data to Azure quickly and cost-effectively using Azure Data Box products.
 
 ## Integrated tools