discover what is new

Author: eric-urban

articles/cognitive-services/Speech-Service/toc.yml

@@ -434,7 +434,7 @@ items:
   items:
     - name: Release notes
       href: releasenotes.md
-      displayName: reference 
+      displayName: reference, new, change, update
     - name: SDK reference
       items:
         - name: C++