updating node

Author: aahill

articles/ai-services/openai/toc.yml

@@ -141,8 +141,8 @@ items:
         href: ./concepts/use-your-image-data.md
       - name: Use Azure OpenAI On Your Data securely
         href: ./how-to/use-your-data-securely.md
-      - name: Best practices
-        href: ./how-to/use-your-data-securely.md
+      - name: Deploy and use web apps
+        href: ./how-to/use-web-app.md
   - name: Migrate to OpenAI Python v1.x
     href: ./how-to/migration.md
   - name: Models