Перевод - коррекный.

> While returning to King's Cross Station, Harry received an owl which had a parchment in it that stated, "I, Sirius Black, Harry Potter's godfather, hereby give him permission to visit Hogsmeade at weekends." Harry read and said happily, "That'll be good enough for Dumbledore!"

"godfather" это дослпвно крёстный отец