WooCommerce: replace "tax" in "includes $xx.xx Tax" on the cart page

functions.php

<?php // Do not include this if already open! Code goes in theme functions.php.
/**
 * woocommerce_cart_totals_order_total_html
 *
 * @access      public
 * @since       1.0 
 * @return      void
*/
add_filter( 'woocommerce_cart_totals_order_total_html', 'woo_rename_tax_inc_cart', 10, 1 );

function woo_rename_tax_inc_cart( $value ) {
	$value = str_ireplace( 'Tax', 'GST', $value );
	return $value;
}