Update toc.yml

Author: tomaschladek

articles/communication-services/toc.yml

@@ -188,8 +188,8 @@ items:
       href: tutorials/trusted-service-tutorial.md
     - name: Add video calling to your Android WebView client app
       href: quickstarts/voice-video-calling/get-started-android-webview.md
-    - name: Build Virtual visit
-      href: tutorials/virtual-visits/sample-buidler.md      
+    - name: Build virtual visit
+      href: tutorials/virtual-visits/sample-builder.md      
     - name: Call management
       items:
       - name: Manage calls