add_filter( 'woocommerce_product_add_to_cart_text', 'woo_archive_custom_cart_button_text' ); // 2.1 + function woo_archive_custom_cart_button_text() { return __( 'Mi texto para el botón', 'woocommerce' ); }
add_filter( 'woocommerce_product_add_to_cart_text', 'woo_archive_custom_cart_button_text' ); // 2.1 + function woo_archive_custom_cart_button_text() { return __( 'Mi texto para el botón', 'woocommerce' ); }