change contact details on superstore theme

functions.php

function superstore_contact() {
                global $woo_options;
                ?>
                        <ul class="contact">
                                <?php if ( isset($woo_options['woo_contact_number']) && $woo_options['woo_contact_number'] != '' ) { ?><li class="phone"><a href="tel:<?php echo esc_html( $woo_options['woo_contact_number'] ); ?>"><?php echo esc_html( $woo_options['woo_contact_number'] ); ?></a></li><?php } ?>
                                <?php if ( isset($woo_options['woo_contact_fax']) && $woo_options['woo_contact_fax'] != '' ) { ?><li class="fax"><?php echo esc_html( $woo_options['woo_contact_fax'] ); ?></li><?php } ?>
                                <?php if ( isset( $woo_options['woo_contact_twitter'] ) && $woo_options['woo_contact_twitter'] != '' ) { ?><li class="twitter"><a href="http://twitter.com/<?php echo esc_attr( $woo_options['woo_contact_twitter'] ); ?>">@<?php echo esc_html( $woo_options['woo_contact_twitter'] ); ?></a></li><?php } ?>
                                <?php if ( isset( $woo_options['woo_connect_facebook'] ) && $woo_options['woo_connect_facebook'] != '' ) { ?><li class="facebook"><a href="<?php echo $woo_options['woo_connect_facebook']; ?>"><?php _e( 'Facebook', 'woothemes' ); ?></a></li><?php } ?>
                        </ul>
                <?php
        }