/**
 * Move WooCommerce category description to bottom
 */
function move_woocommerce_category_description() {
    remove_action('woocommerce_archive_description', 'woocommerce_taxonomy_archive_description', 10);
    add_action('woocommerce_after_shop_loop', 'woocommerce_taxonomy_archive_description', 10);
}
add_action('init', 'move_woocommerce_category_description');