Modify toc

Author: vhorne

articles/firewall/toc.yml

@@ -39,7 +39,7 @@
       href: ip-groups.md
     - name: Forced tunneling
       href: forced-tunneling.md
-    - name: Compliance certifications
+    - name: Certifications
       href: compliance-certifications.md
     - name: Central management
       href: central-management.md