Originally Posted by
TallestHotelInJapan
Don't worry of the honor. My younger sister whose English is fine called to the Hilton reservation and they confirmed that the prepaid bookings will be good to go

For future reference, that is about the worst thing you can do.
First, it alerts the vendor to cancel the mistake price.
Second, the longer a mistake price is posted, the more likely it is to be honored.
Never, ever, EVER call.