diff --git a/index.html b/index.html
index 11cd63fd..57b4ffd6 100644
--- a/index.html
+++ b/index.html
@@ -1,23 +1,22 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <meta charset="UTF-8">
-  <title>Web Dev for Beginners</title>
-  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
-  <meta name="description" content="Description">
-  <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
-  <link rel="icon" type="image/png" href="images/favicon.png">
-  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/docsify-themeable@0/dist/css/theme-simple.css"></head>
-<body>
-  <div id="app"></div>
-  <script>
-    window.$docsify = {
-      name: 'Web Development for Beginners: A Curriculum',
-      repo: 'https://github.com/microsoft/Web-Dev-For-Beginners',
-      relativePath: true,
-      auto2top: false,
-    }
-  </script>
-  <script src="//cdn.jsdelivr.net/npm/docsify/lib/docsify.min.js"></script>
-</body>
-</html>
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8">
+    <title>Document</title>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
+    <meta name="description" content="Description">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
+    <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/docsify@4/lib/themes/vue.css">
+  </head>
+  <body>
+    <div id="app"></div>
+      <script>
+        window.$docsify = {
+          name: '',
+          repo: ''
+        }
+      </script>
+    <!-- Docsify v4 -->
+    <script src="//cdn.jsdelivr.net/npm/docsify@4"></script>
+  </body>
+</html>
