Imaginedvl on 03 August 2016
This is normal and not a mistake :)
It happens generally when something you bought before is no more available on the Microsoft stores.
It happens with games/DLC but mainly with films and TV too.
Will not get the exact numbers but I buy so much things from the Microsoft store that I get refund on regular basis (Account Balance transaction). It is always a nice surprise tho :)
So yah, spend it, they will not take it back.
