diff --git a/playground/nutech/issue/STCl-schema.json b/playground/nutech/issue/STCl-schema.json
index ba5b45fa..b5c0e647 100644
--- a/playground/nutech/issue/STCl-schema.json
+++ b/playground/nutech/issue/STCl-schema.json
@@ -100,7 +100,7 @@
     },
     "detail": {
       "type": "string",
-      "title": "detail"
+      "title": "Detail"
     }
   }
 }