WooCommerce - Add content after Add-to-cart button

<?php
  // WooCommerce - Add content after Add-to-cart button
  add_action( 'woocommerce_after_add_to_cart_button', 'add_content_after_addtocart' );
  function add_content_after_addtocart() {
    echo '<div class="second_content">';
    echo '<i class="fas fa-dolly-flatbed"></i>';
    echo '<span>Free Shipping!</span></div>';
  }