Reply To: Customize the "Add to cart" button on the page of a product with WooCommerce
Hi Maria
To change ‘Add to cart’ labels in latest version WooCommerce 3.0+ you can use ‘WC Custom Add to Cart labels’ WordPress plugin. So you don’t need to add extra code in functions.php file
https://wordpress.org/plugins/wc-custom-add-to-cart-labels/
Regards
Grace Themes
