Fix typos.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212228 91177308-0d34-0410-b5e6-96231b3b80d8
[OCaml] Documentation improvements.

Patch by Julien Sagot

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212230 91177308-0d34-0410-b5e6-96231b3b80d8
Update comment and include guard.

I missed these when moving the files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212231 91177308-0d34-0410-b5e6-96231b3b80d8