display the end of a promotion date on the product detail

[ludovic64]

good morning everybody, i have a problem to display the date of the promotion end

 

i modified the product.tpl with this line

 

<p>Offre jusqu'au {$product->specificPrice.to|date_format:'%d %B %Y'}</p>

 

it works but only if the specific price is for one product, if the promotion start with 2 or 5 products ordered it displays nothing

 

anybody help?

 

 

sorry for my poor english and thanks