diff --git a/example/index.html b/example/index.html
index 8de1b81..e373298 100644
--- a/example/index.html
+++ b/example/index.html
@@ -7,6 +7,7 @@
 <body>
 <div id="container" style="width: 400px; margin: 0 auto;">
     <h2>It should play audio if everying went well!</h2>
+    <p>However, the AudioContext may not allowed to start without a user gesture. Click this text to instruct the disobedient browser you really want to listen to the audio!</p>
 </div>
 <script>
  window.onload = function() {
