diff --git a/toolkit.demo.js b/toolkit.demo.js
index 9f40798..0c640f0 100644
--- a/toolkit.demo.js
+++ b/toolkit.demo.js
@@ -1,3 +1,5 @@
+// toolkit.demo.js
+
 var Chrome = require("lib/chrome");
 var Toolkit = require("lib/toolkit");