Original sentence: She shared with Harry the little information known about Ravenclaw's diadem (which is actually a Horcrux of Voldemort), and offered to take Harry to the Ravenclaw common room to look for clues, but Ginny suggested that Luna take him up instead
Edited sentence: She shared with Harry the little information known about Ravenclaw's diadem (which is actually a Horcrux of Voldemort), and offered to take Harry to the Ravenclaw common room to look for clues, but Ginny rudely suggested that Luna take him up instead