Generate a correctly punctuated version of the following text: 13 Be it known therefore unto the king that if this city be built and the walls be completed they will not pay tribute tax and toll and in the end it will bring damage to the kings
13 Be it known therefore unto the king, that, if this city be built and the walls be completed, they will not pay tribute, tax, and toll, and in the end it will bring damage to the kings.