you buy something only to hear you can cancel the order as item description is wrong

<p>I purchased 8 gb x 2 crucial ddr 3 computer ram x 2 from takealot.com. I emailed them to make sure that my items are indeed correct, they confirmed that it is and the order continues</p> <p>A few days later i get another email telling me its 2 gb ram, do i want to cancel the order? the underseller is pc link stay far away from them</p>