diff --git a/index.html b/index.html
index 9f48791..241933b 100644
--- a/index.html
+++ b/index.html
@@ -1,26 +1,26 @@
 <!DOCTYPE html>
-<head>
-    <title>PreApple II</title>
-    <meta name="viewport" content="width=640, user-scalable=no" />
-    <meta name="apple-mobile-web-app-capable" content="yes">
 
-    <link rel="apple-touch-icon" href="img/webapp-iphone.png" />
-    <link rel="apple-touch-icon" size="72x72" href="img/webapp-ipad.png" />
-    <link rel="shortcut icon" href="img/logoicon.png" />
-    <link rel="stylesheet" href="https://use.fontawesome.com/releases/v6.1.1/css/all.css" />
+<head>
+  <title>PreApple II</title>
+  <meta name="viewport" content="width=640, user-scalable=no" />
+  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta charset="utf-8" />
+
+  <link rel="apple-touch-icon" href="img/webapp-iphone.png" />
+  <link rel="apple-touch-icon" size="72x72" href="img/webapp-ipad.png" />
+  <link rel="shortcut icon" href="img/logoicon.png" />
+  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v6.1.1/css/all.css" />
 </head>
+
 <body>
-    <div id="app"></div>
-    <svg width="0" height="0" xmlns="http://www.w3.org/2000/svg">
-        <filter id="green">
-          <feColorMatrix
-            type="matrix"
-            values="0.0 0.0 0.0 0.0 0
+  <div id="app"></div>
+  <svg width="0" height="0" xmlns="http://www.w3.org/2000/svg">
+    <filter id="green">
+      <feColorMatrix type="matrix" values="0.0 0.0 0.0 0.0 0
                     0.0 1.0 0.0 0.0 0
                     0.0 0.0 0.5 0.0 0
-                    0.0 0.0 0.0 1.0 0"
-          />
-          </filter>
-      </svg>
-    <script src="dist/preact.bundle.js"></script>
+                    0.0 0.0 0.0 1.0 0" />
+    </filter>
+  </svg>
+  <script src="dist/preact.bundle.js"></script>
 </body>
