Code-Snippets-Functions/Execute a function on a child site/WooCommerce/change-pay-for-order-button-text.txt

add_filter( 'woocommerce_pay_order_button_text', 'wc_custom_pay_order_button_custom_text' ); 

function wc_custom_pay_order_button_custom_text() {
    return __( 'Pay Now', 'woocommerce' ); 
}