diff --git a/wind-turbines.json b/wind-turbines.json
index 370e44c..068b2ae 100644
--- a/wind-turbines.json
+++ b/wind-turbines.json
@@ -19,8 +19,8 @@
]
},
"feature": {
- "markerSign": "",
- "listMarkerSign": "",
+ "markerSign": "",
+ "listMarkerSign": "",
"markerSymbol": "",
"listMarkerSymbol": ""
}