newsupernova/vendor/magento/module-backend/view/adminhtml/templates/page/copyright.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

// @codingStandardsIgnoreFile

?>
<a class="link-copyright" href="http://magento.com" target="_blank" title="<?= /* @escapeNotVerified */ __('Magento') ?>"></a>
<?= /* @escapeNotVerified */ __('Copyright &copy; %1 Magento Commerce Inc. All rights reserved.', date('Y')) ?>