How to show product description or short description at cart page in magento

To display product description on shopping cart page

Goto app/design/frontend/default/yourtheme/template/checkout/cart/item/default.phtml

and add the following code where you need to show product description


<?php $custom=Mage::getModel('catalog/product')->load($_item->getProductId());
echo $custom->getShortDescription();
?>

<?php $custom2=Mage::getModel('catalog/product')->load($_item->getProductId());
echo $custom2->getDescription();
?>