re-order tab on single product page

functions.php

add_filter( 'woocommerce_product_tabs', 'woo_reorder_tabs', 98 );

function woo_reorder_tabs( $tabs ) {
   $tabs['reviews']['priority'] = 5; // Reviews first
   $tabs['description']['priority'] = 10; // Description second
   $tabs['additional_information']['priority'] = 15; // Additional information third

return $tabs;
}