if ( ! function_exists( 'add_catalog_additional_description' ) ) {
function add_catalog_additional_description() {
echo 'Lorem ipsum, dolor sit amet consectetur adipisicing elit. Consectetur quo facilis obcaecati perspiciatis! Incidunt reprehenderit obcaecati eveniet amet eaque, cum voluptates rerum velit perferendis, veniam hic, beatae modi temporibus nesciunt.';
}
}
add_action( 'woocommerce_after_shop_loop', 'add_catalog_additional_description', 40 );