Small typo in 3.8 RAM

[Glerek]

Then, two write the vector (5, 3)

should read as

Then, to write the vector (5, 3)

Thanks a lot for writing this document, I just started learning ASM for gameboy and it helps a lot!

[ahrnbom]

Thanks for noticing this minor error! This will be fixed shortly

[ahrnbom]

Fixed as of 22986d0