It’s a race against time and the clock is ticking! 🙂
That’s not to say that keeping documentation in the same codebase guarantees it will be kept up-to-date, but at least it increases the likelihood that it will be updated and removes the barrier of having to go to another system to do so.
The private hosting feature of Doctave is really interesting, since that’s not something that can (currently) be done with GitHub Pages.