fix toc

Author: sdgilley

articles/ai-studio/toc.yml

@@ -14,6 +14,7 @@ items:
     href: concepts/management-center.md
   - name: Overview of SDKs
     href: how-to/develop/sdk-overview.md
+    displayName: code, sdk
   - name: Region support
     href: reference/region-support.md
   - name: Azure AI FAQ
@@ -285,7 +286,6 @@ items:
           href: how-to/prompt-flow-troubleshoot.md
     - name: Develop generative AI apps using code
       items:
-        displayName: code
       - name: Work with AI Studio projects in VS Code
         href: how-to/develop/vscode.md
       - name: Start with an AI template