Re-order WooCommerce tabs

add_filter( 'woocommerce_product_tabs', 'kpry_reorder_woo_tabs', 100 );
function kpry_reorder_woo_tabs( $tabs ) {
	$tabs['description']['priority'] = 90;
	$tabs['additional_information']['priority'] = 50;
	$tabs['reviews']['priority'] = 20;

	return $tabs;
}