3gb night and 3gb anytime deals

greetings all im the telkom mobile prepaid user for almost 2years im very disappointed with a miss leading advert that says you get 3gb night and 3gb anytime for R49 so i went around all my local ****a shops to buy that 3gb and i found out that none of the shops knows about this deal but the advert is on their shops walls big advert that u can see 30 meters away the next day i went to pep and the told me i can only get 5gb for R99 so i want telkom to explain to me where to get that 3gb night and 3gb anytime for R49 ? if there is no such deals then take down your advert.