Fix a docstring typo
Fix a docstring typo

BUG=None
TEST=None

Change-Id: I153718caf65e8bf35f46a6080a5b901453ac4aad
Reviewed-on: https://chromium-review.googlesource.com/209341
Tested-by: Aviv Keshet <178e8ae417efbe404feca7ab4cb8f0ba8c109369@chromium.org>
Reviewed-by: Gaurav Shah <2987db6a10bcfe664554a372d01e80df7fd325a3@chromium.org>

bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite