Minor update to a docstring.
Minor update to a docstring.

RELNOTES: None.
PiperOrigin-RevId: 172880849

snnn/bazel,dropbox/bazel,meteorcloudy/bazel,katre/bazel,aehlig/bazel,werkt/bazel,cushon/bazel,safarmer/bazel,aehlig/bazel,dslomov/bazel,damienmg/bazel,snnn/bazel,damienmg/bazel,werkt/bazel,perezd/bazel,bazelbuild/bazel,dropbox/bazel,damienmg/bazel,twitter-forks/bazel,katre/bazel,akira-baruah/bazel,safarmer/bazel,ulfjack/bazel,spxtr/bazel,aehlig/bazel,damienmg/bazel,ulfjack/bazel,katre/bazel,dslomov/bazel-windows,damienmg/bazel,bazelbuild/bazel,davidzchen/bazel,ButterflyNetwork/bazel,snnn/bazel,spxtr/bazel,ButterflyNetwork/bazel,snnn/bazel,twitter-forks/bazel,cushon/bazel,dslomov/bazel-windows,davidzchen/bazel,dslomov/bazel,katre/bazel,perezd/bazel,davidzchen/bazel,katre/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,ulfjack/bazel,aehlig/bazel,dslomov/bazel-windows,snnn/bazel,damienmg/bazel,meteorcloudy/bazel,aehlig/bazel,meteorcloudy/bazel,aehlig/bazel,akira-baruah/bazel,dslomov/bazel-windows,dslomov/bazel,ButterflyNetwork/bazel,spxtr/bazel,akira-baruah/bazel,safarmer/bazel,bazelbuild/bazel,bazelbuild/bazel,bazelbuild/bazel,werkt/bazel,cushon/bazel,davidzchen/bazel,dropbox/bazel,dslomov/bazel-windows,akira-baruah/bazel,davidzchen/bazel,meteorcloudy/bazel,dslomov/bazel,davidzchen/bazel,spxtr/bazel,davidzchen/bazel,cushon/bazel,perezd/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,twitter-forks/bazel,snnn/bazel,dslomov/bazel,dropbox/bazel,meteorcloudy/bazel,perezd/bazel,aehlig/bazel,ulfjack/bazel,akira-baruah/bazel,safarmer/bazel,twitter-forks/bazel,safarmer/bazel,perezd/bazel,ulfjack/bazel,spxtr/bazel,akira-baruah/bazel,ulfjack/bazel,twitter-forks/bazel,snnn/bazel,cushon/bazel,katre/bazel,werkt/bazel,damienmg/bazel,dslomov/bazel,werkt/bazel,meteorcloudy/bazel,dropbox/bazel,spxtr/bazel,perezd/bazel,ulfjack/bazel,meteorcloudy/bazel,twitter-forks/bazel,safarmer/bazel,dropbox/bazel,twitter-forks/bazel,cushon/bazel,dslomov/bazel,dslomov/bazel-windows,werkt/bazel,spxtr/bazel,perezd/bazel