Minor fixes on Community TOC

Author: Linda-Editor

docs/toc.yml

@@ -1636,9 +1636,9 @@
     href: https://aka.ms/spdev-issues
   - name: Submit feature requests
     href: http://aka.ms/spdev-uservoice
-  - name: SharePoint development on YouTube
+  - name: SharePoint development (YouTube)
     href: http://aka.ms/spdev-videos
-  - name: Office development on Twitter
+  - name: Office development (Twitter)
     href: https://twitter.com/officedev
   - name: SharePoint developer forum
     href: http://aka.ms/spdev-community