Edit the output of the footer with Genesis (advanced version)

functions.php

<?php
// Paste the code BELOW this line into your child theme functions.

/**
 * Edit the output of the footer with Genesis (advanced version)
 *
 * @author Reasons to Use Genesis
 * @link http://reasonstousegenesis.com/footer-filter/
 */
add_filter( 'genesis_footer_output', 'rtug_footer_output_advanced' );
function rtug_footer_output_advanced( $output, $backtotop_text, $creds_text ) {

	if ( is_single() )
		return '<p>' . $backtotop_text . '</p>';
	else
		return '<p>' . $creds_text . '</p>';

}