buffet: Help string corrected to UpdateState

TEST=built
BUG=none

Change-Id: Ia90a9718153beeba4340b3deda1fbee11c78d0f3
Reviewed-on: https://chromium-review.googlesource.com/239180
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Nathan Bullock <nathanbullock@google.com>
Tested-by: Nathan Bullock <nathanbullock@google.com>
1 file changed
tree: 1ddb6734e17fdd67801539b57a5ac5a1e6cf358b
  1. buffet/