There are a few “bug reports” opened in the Facebook bug tool regarding to Facebook documentation.
Many of them are minor formatting errors or having dead links embedded in the documentation. If you see it, kindly report it to Facebook and they should be acting quick in rectifying the problem.
There are also some reports opened asking for adding more information to a particular section. Well, I think that may take some time… but it is good at least we can try to make our suggestion to Facebook. And hopefully trying to help other developers too.