gallery3/modules/rest/views/user_profile_rest.html.php

<?php defined("SYSPATH") or die("No direct script access.") ?>
<div id="g-rest-detail">
  <ul>
    <li id="g-rest-key">
      <p>
        <?= t("<b>Key</b>: %key", array("key" => $rest_key)) ?>
      </p>
    </li>
  </ul>
</div>