diff --git a/backend/data/config.json b/backend/data/config.json
index ad32624fa..1b5971005 100644
--- a/backend/data/config.json
+++ b/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