kubernetes: fix typos
kubernetes: fix typos

From golang.org/cl/36692

Change-Id: Icc63edd28b687cf30c222a3125371ad912bc6da7
Reviewed-on: https://go-review.googlesource.com/36802
Reviewed-by: Kevin Burke <685caccd7011cfe58b8f9ef79ff9dca388f03c79@inburke.com>
Reviewed-by: Matt Layher <76528ff2e917253aa2211f68e4ca60b5b846dcf5@gmail.com>

golang/build,golang/build,golang/build,golang/build