I Mean No Offense But You Translated The Words Wrong.AND I COULDN'T UNDERSTAND IT! It's Supposed To Be :
By the magic that we appellons, to exchange something against a something else, That that is done by my will, Unite You to a new name, For that this magic will be cut in pieces, By my will, Replaces There by another, Liberate It of the former manners, Replace It with a new one By your will, by my will, does not leave anymore this child to be
called Weasley, With the permission Name by the one of Black, This child more will not be known under the name of
Ronald Bilius Weasley, Now it will be it under the name of Ron Black, Than It some is done thus, than it some is
done thus, THAN IT SOME IS DONE THUS!