Merge pull request #812 from open-webui/fix

Update config.json

backend/data/config.json

@@ -28,7 +28,7 @@
                     "of a website's sticky header"
                 ],
                 "content": "Show me a code snippet of a website's sticky header in CSS and JavaScript."
-            },
+            }
         ]
     }
 }
\ No newline at end of file