add hour and minute to timestamp

index.html

@@ -63,7 +63,7 @@
 
     <footer>
       <p>Last updated: <span id="updated"></span></p>
-    <script>document.getElementById('updated').textContent = new Date().toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' });</script>
+    <script>document.getElementById('updated').textContent = new Date().toLocaleString('en-US', { year: 'numeric', month: 'long', day: 'numeric', hour: '2-digit', minute: '2-digit' });</script>
     </footer>
   </main>
 </body>