MCF Amazon change shipping method title

mcf-change-shipping-method-title.php

<?php

add_filter( 'woocommerce_shipping_method_title', 'change_mcf_shipping_method_title', 10, 2 );

/**
 * Modify the method shipping title.
 * This will affect both the title and the method title.
 *
 * @param string             $method_title The method title.
 * @param WC_Shipping_Method $shipping_class The shipping method.
 *
 * @return string
 */
function change_mcf_shipping_method_title( $method_title, $shipping_class ) {
	if ( 'WC_Shipping_Amazon' === $shipping_class->id ) {
		return 'Amazon Shipping'; // Set your custom title here.
	}
	return $method_title;
}