Pampers at Salta (marine walk) - 20% discount not applicable

Pamers products advertised with signage indiating " instant 20% of" This is not the case when at cashier. As advised by cashier discount is for Dischem health members. We checked display and it makes no reference to this what so ever. There was some fine prine on Johnson adverts but not pampers. Dischem Salta (marine walk)please address your advertising material as it is totally deceiving.