Original sentence: During the course of the book, Voldemort unsuccessfully tries to regain his dissolved body by stealing the titular Sorceror's Stone.Lord Voldemort makes his debut in Harry Potter and the Sorgeror's Stone
Edited sentence: During the course of the book, Voldemort unsuccessfully tries to regain his dissolved body by stealing the titular Philosopher's Stone.Lord Voldemort makes his debut in Harry Potter and the Philosopher's Stone