[AppDB] Langauge fixes for the FAQ

[Duane Clark]

Kai Blin wrote:
> 
> ... I think most native speakers just get the plural s and 
> the 's genitive mixed up. Like their, there and they're.
> 
> Of course, I'd have to ask a native speaker to confirm that.

Or, while not an authoritative source, check out:
http://en.wikipedia.org/wiki/English_plural

As a native speaker, I would just use a plain s, as Wikipedia suggests.