False advertising at BRAAMFONTEIN

I went and filled my car with petrol 60l at TOTAL BRAAMFONTEIN

They advertised that if you fill your car with 50l more you get a free 2 litre cold drink only to receive a 1.5L and when I asked the attendant he advised that's what's offered to clients.

I could have went to any other petrol station but I chose Total only to be deceived by false advertising.