changing the footer

Hello, I want to change the footer on our website at http://www.tiffinparks.com. Here is the code that is currently for the footer on the site. What or where do I change to get the code to say what I want it to say? Thanks!!

<footer id=”colophon” class=”site-footer” role=”contentinfo”>
<div class=”site-info”>
<?php do_action( ‘expound_credits’ ); ?>
</div><!– .site-info –>
</footer><!– #colophon –>