remove_action( 'genesis_footer', 'genesis_do_footer' );

add_action( 'genesis_footer', 'sp_custom_footer' );

function sp_custom_footer() {

?>

<p>&copy; Copyright 2018 <a href="clientsurl">Clients website name</a> &middot; All Rights Reserved &middot; Design and Development
by <a href="yoururl">Your Name</a>

<?php

}