diff --git a/js/utils/options.js b/js/utils/options.js
index 82c6dee..4ece122 100644
--- a/js/utils/options.js
+++ b/js/utils/options.js
@@ -76,4 +76,6 @@ function milestoneShown(layer, id) {
 			break;
 	}
 	return false;
-}
+}
+
+let formatOption = (opt) => opt ? 'ON' : 'OFF'