diff --git a/tutorial0_serve/index.html b/tutorial0_serve/index.html
index 66b2f6f..e333b80 100644
--- a/tutorial0_serve/index.html
+++ b/tutorial0_serve/index.html
@@ -6,6 +6,7 @@
   </head>
   <body>
     Welcome to Interactive Data Visualization Tutorials
+    I am making changes to this file!!!
     <script src="../lib/d3.js"></script>
     <script src="main.js"></script>
   </body>
