Allow admins to view account websites.

pages/404.js

@@ -1,11 +1,14 @@
 import React from 'react';
 import Layout from 'components/layout/Layout';
+import { FormattedMessage } from 'react-intl';
 
 export default function Custom404() {
   return (
     <Layout>
       <div className="row justify-content-center">
-        <h1>oops! page not found</h1>
+        <h1>
+          <FormattedMessage id="message.page-not-found" defaultMessage="Page not found" />
+        </h1>
       </div>
     </Layout>
   );