<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>HTML Comments</title>

</head>
<body>
  <!-- This is an HTML comment. It is NOT shown on the page. -->

  <!--
    Comments can span
    multiple lines and are useful
    for notes and TODOs.
  -->

  <p>View the page source to see the comments above.</p>

  <!-- TODO: replace this section with real content -->
</body>
</html>