wrong advert for more than three days online

<p>i saw Game sale pamphlet on Guzzle website on the 30th of November and end on the 5th od december. on the 1st i went to game Rosebank to apply for contract for two laptops that i saw on the pamphlet . it puzzled them but lare i show them the sale page we did the application and it was approved but it was late. the woman who was helping me with the application promised to phone head office today and find out the order number but i phoned head office several time and only to find out that it was a mistake, please guys help me is their mistake really do affect my orders ? do they have rights to cancel my orders or must i get what i saw on their page.</p>