Update toc.yml

Author: laujan

articles/ai-services/document-intelligence/toc.yml

@@ -166,7 +166,7 @@ items:
   items:
     - name: Document Intelligence Studio custom projects
       displayName: get started, cors, blob, storage, upload, labels, custom, dynamic, fixed, signatures
-      href: studio-overview.md
+      href: quickstarts/studio-custom-project.md
     - name: "Get started with Document Intelligence"
       displayName: formRecognizerClient, Document Intelligence client, boundingBox, box, begin_recognize
       href: quickstarts/get-started-sdks-rest-api.md