diff --git a/src/index.html b/src/index.html
index c06e76d..3eadc5a 100644
--- a/src/index.html
+++ b/src/index.html
@@ -21,7 +21,7 @@
 
 <body>
 	<div id="luckysheet" style="margin:0px;padding:0px;position:absolute;width:100%;height:100%;left: 0px;top: 0px;"></div>
-
+	<!-- 1 -->
 	<!-- demo feature, non-production use -->
 	<script src="./demoData/demoFeature.js"></script>
 
