update

Author: julieMSFT

articles/synapse-analytics/sql-data-warehouse/toc.yml

@@ -16,7 +16,7 @@
     href: sql-data-warehouse-service-capacity-limits.md
   - name: FAQ
     href: sql-data-warehouse-overview-faq.md
-  - name: Release Notes
+  - name: Release notes
     items:
     - name: Recent Release
       href: release-notes-10-0-10106-0.md