How to insert Next and Previous on Single Posts in Genesis Framework

// https://gist.github.com/srikat/7972150
// Previous and Next Post navigation in the same category in single Posts only
add_action('genesis_after_entry', 'sk_custom_post_nav');
function sk_custom_post_nav()
{
    if (!is_singular(array(
        'post',
    ))) {
        return;
    }

    echo '<div class="archive-description">';
    previous_post_link('<div class="previous"><i class="fa fa-arrow-left"></i> Previous Audio: %link</div>', '<strong>%title</strong>', true);
    next_post_link('<div class="next">Next Audio: %link <i class="fa fa-arrow-right"></i> </div>', '<strong>%title</strong>', true);
    echo '</div>';
}