gistfile1.txt

public function getShippingAddressTotals($address)
{
    $totals = $address->getTotals();
    foreach ($totals as $total) {
        if ($total->getCode()=='grand_total') {
            if ($address->getAddressType() == Mage_Sales_Model_Quote_Address::TYPE_BILLING) {
                $total->setTitle($this->__('Total'));
            }
            else {
                $total->setTitle($this->__('Total for this address'));
            }
        }
    }
    return $totals;
}