WooCommerce - Change Shipping Text to Shipping & Handling

woocommerce_shipping_package_name.php

<?php
add_filter( 'woocommerce_shipping_package_name' , 'woocommerce_replace_text_shipping_to_delivery', 10, 3);

/**
 * 
 * Function to replace shipping text to shipping & handling text
 * 
 * @param $package_name
 * @param $i
 * @param $package
 *
 * @return string
 */
function woocommerce_replace_text_shipping_to_delivery($package_name, $i, $package){
    return sprintf( _nx( 'Shipping &amp; Handling', 'Shipping &amp; Handling %d', ( $i + 1 ), 'shipping packages', 'woocommerce' ), ( $i + 1 ) );
}