<?php


    add_filter('woo_sl/html/manage_keys', 'custom_html_manage_keys');
    function custom_html_manage_keys( $text )
        {

            $text = __('You can manage your keys from <a href="https://www.lumabox.com/my-account/" target="_blank">My Account</a>.', 'software-license');

            return $text;
        }