diff --git a/demo/index.html b/demo/index.html
index 7894867c..51050796 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -15,6 +15,7 @@
     <!-- <script src="../assets/tf.es2017.js"></script> -->
     <!-- <script src="../assets/tf-backend-wasm.es2017.js"></script> -->
     <!-- <script src="../assets/tf-backend-webgpu.js"></script> -->
+    <!-- <script src='../assets/tfjs-vis.min.js'></script> -->
     <script src="./browser.js" type="module"></script>
   </head>
   <body style="margin: 0; background: black; color: white; font-family: 'Segoe UI'; font-size: 16px; font-variant: small-caps; overflow-x: hidden">
