fixing warnings

Author: habibaum

articles/migrate/toc.yml

@@ -344,7 +344,7 @@ items:
     - name: Troubleshoot Azure Migrate projects
       href: troubleshoot-project.md
     - name: Azure Migrate in unsupported regions
-      href: azure-migrate-in-unsupported-regions.md
+      href: azure-migrate-unsupported-regions.md
   - name: Appliance configuration
     items:
     - name: Troubleshoot Azure Migrate appliance