diff --git a/index.html b/index.html
index 5e4dddd..5621155 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
     <style>* {margin: 0px; padding: 0px;}</style>
 </head>
 <body>
-    <!-- <script async defer type="module" data-courseid="be28hmx6zz6frrp0p62s4a2e" src="https://embed.embedin.com/course.js"></script> -->
-    <script async type="module" data-courseid="res69ykb990gt98tya5ioi4n" src="https://embed-dev.embedin.com/course.js"></script>
+    <script type="module" data-courseid="be28hmx6zz6frrp0p62s4a2e" src="https://embed.embedin.com/course.js"></script>
+    <!-- <script async type="module" data-courseid="res69ykb990gt98tya5ioi4n" src="https://embed-dev.embedin.com/course.js"></script>-->
 </body>
 </html>
