Update windows.md

Replace "OS X" by "Windows"
(cherry picked from commit 875d0b776d0ec4ba68491f82143e6f099a03944a)

Docker-DCO-1.1-Signed-off-by: William Riancho <wr.wllm@gmail.com> (github: SvenDowideit)
Merge pull request #6314 from SvenDowideit/docs

Update windows.md

merge from master