fix

Author: spelluru

articles/event-grid/toc.yml

@@ -193,12 +193,12 @@
     href: ../azure-resource-manager/management/async-operations.md?toc=%2fazure%2fevent-grid%2ftoc.json
   - name: Secure
     items:
-  - name: Configure private endpoints (preview)
-    href: configure-private-endpoints.md
-  - name: Configure IP firewall (preview)
-    href: configure-firewall.md
-  - name: Secure WebHook with AAD
-    href: secure-webhook-delivery.md
+    - name: Configure private endpoints (preview)
+      href: configure-private-endpoints.md
+    - name: Configure IP firewall (preview)
+      href: configure-firewall.md
+    - name: Secure WebHook with AAD
+      href: secure-webhook-delivery.md
   - name: Troubleshoot
     items: 
     - name: Enable diagnostic logs