doxygen and misc. typos
I realized after-the-fact that you folks use github as a mirror. I'm not so good with git and I wouldn't know how to transfer the below changes a gitlab fork so well so I thought I'd just submit the patch here directly to you and you could decide to do with it as you wish.
Patch: https://patch-diff.githubusercontent.com/raw/Kitware/VTK/pull/38.patch
Diff: https://patch-diff.githubusercontent.com/raw/Kitware/VTK/pull/38.diff
VIsual Diff: https://github.com/Kitware/VTK/pull/38/files
Cheers