Code-Snippets-Functions/Execute a function on a child site/WooCommerce/add-display-free-after-free-shipping-option.txt

function wc_custom_show_free_label_with_free_shipping( $label, $method ) {
//	if ( $method->method_id == 'local_pickup' ) return $label; // Don't apply to local pickup rates
	if ( $method->cost == 0 ) {
		$label .= ' (' . __( 'Free', 'woocommerce' ) . ')';
	}
	return $label;
}
add_filter( 'woocommerce_cart_shipping_method_full_label', 'wc_custom_show_free_label_with_free_shipping', 10, 2 );