Hahaha
But yes, if it's a class skill, it's one point for literacy and two for the human tongue. But two are gained from high int too.
Damn, sorry if this seems confusing to you. We've always gamed like this and to me, it feels far more natural than the RAW way. If you want, we could skip the language home rules (except for "no common language"), I just find them so simple and (for lack of a better word) obvious.