false marketing

I recently booked a number of hotels for our holiday on [URL Removed] Each search was for 2 persons sharing a room. I then selected the options given and secured the bookings. I had to pay additional amount at each hotel due to them claiming that the amounts I paid was for a single person. It was explained to me that this is commonly found with [URL Removed] bookings. This amounts to false marketing as you do not get what have asked for.