Cheated by false advertising re. product price

On 1/12/22 I placed an order with Takealot which included an item listed as "3 Pack Nestle-Bar-One Mini. Size 180g bags" (sold by Xennik Trading) and priced at R95. When the order was delivered, there was 1 x 180g bag of Nestle-Bar-One Mini chocs in the box. I logged a return for the product which was not what I had ordered, and Takealot collected it. I still have the email of my order payment confirmation which states clearly it is a "3 pack" for R95. After I had logged the return, I checked the Takealot.com website, and the product had been altered to "ONE 180g bag of Nestle-Bar-One Mini" for R95!! I was subsequently informed by Takealot "there was no stock" and credited my money. While it is already annoying that Takealot has that (regular in my experience) practice of refunding you for an item that suddenly "cannot be supp****", it is downright unacceptable that an item advertised is amended online after I point out they should have sent 3 bags of the Nestle-Bar-One Mini chocolates. Nestle does not supply "one pack of 3x 180g bags"; they only supply the 180g bags, and so 3 should have been supp****. I suspect that the supplier changed their mind or recognized an erroneous price advertised, but as the consumer, I am entitled to pay the price at which it was advertised. Instead, I was refunded my money when I made it very clear I wanted the product as advertised. I am very disappointed in Xennik Trading and Takelot for the way in which they handled this - I am not happy with their service at all.