Profecient || Change HTMl Tag for Title Reply

/**
 * Change HTMl Tag for Title Reply
 *
 * @param array $defaults The default comment form arguments.
 *
 * @return array
 */
function change_html_tag_for_title_reply( $defaults ) {
    $defaults['title_reply_before'] = '<h6 id="reply-title" class="comment-reply-title">';
    $defaults['title_reply_after']  = '</h6>';

    return $defaults;
}
add_filter( 'comment_form_defaults', 'change_html_tag_for_title_reply' );