Update index.yml

Author: cherylmc

articles/virtual-wan/index.yml

@@ -86,7 +86,7 @@ landingContent:
           - text: SD-WAN connectivity architecture
             url: sd-wan-connectivity-architecture.md
           - text: Virtual WAN architecture optimized for department-specific requirements
-            url: /architecture/example-scenario/infrastructure/performance-security-optimized-vwan
+            url: /azure/architecture/example-scenario/infrastructure/performance-security-optimized-vwan
   # Card
   - title: Routing
     linkLists: