Article XII
The island of Minorca shall be restored to his Britannick Majesty, as well as Fort St. Philip, in the same condition they were in when conquered by the arms of the Most Christian King; and with the artillery which was there when the said island and the said fort were taken.
The information about this treaty is taken from this website here: https://www.landofthebrave.info/1763-treaty-of-paris-text.htm