diff --git a/index.html b/index.html
index 75d645f..f47d0a8 100644
--- a/index.html
+++ b/index.html
@@ -1,14 +1,14 @@
 <!doctype html>
 <html lang="en">
-<head>
-  <meta charset="utf-8">
-  <title>Espresso timer</title>
-  <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
-  <link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet">
-  <link href="https://cdn.jsdelivr.net/npm/@mdi/font@4.x/css/materialdesignicons.min.css" rel="stylesheet">
-  <link href="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.min.css" rel="stylesheet">
-  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
-</head>
+    <head>
+        <meta charset="utf-8">
+        <title>Espresso timer</title>
+        <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
+        <link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet">
+        <link href="https://cdn.jsdelivr.net/npm/@mdi/font@4.x/css/materialdesignicons.min.css" rel="stylesheet">
+        <link href="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.min.css" rel="stylesheet">
+        <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
+    </head>
 <body>
   <div id="app">
     <v-app>
@@ -168,7 +168,8 @@
     <script src="https://cdn.jsdelivr.net/npm/vue@2.x/dist/vue.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.js"></script>
     <script type="text/javascript">
-var ONE_SECOND = 100;  // TODO
+// TODO: PWA
+var ONE_SECOND = 1000;
 
 function requestMic(handleSuccess, handleError) {
   try {
