WooCommerce - Add content before order payment

<?php
  // WooCommerce - Add content before order payment
  add_action( 'woocommerce_review_order_before_payment', 'whats_included' );
  function whats_included() {
    print 'What\'s included?';
    print '<ul>';
    print '<li>Pillow</li>';
    print '<li>Pillow Cover (Cotton)</li>';
    print '<li>Care Card</li>';
    print '</ul>';
  }