update title

Author: chdeskur

fern/products/docs/docs.yml

@@ -152,7 +152,7 @@ navigation:
     contents:
       - page: SSO
         path: ./pages/authentication/sso.mdx
-      - section: RBAC
+      - section: Role based access control (RBAC)
         path: ./pages/authentication/rbac.mdx
         contents: 
           - page: RBAC in MDX pages