Minor typo in output_directories.md
Minor typo in output_directories.md

Closes #12096.

PiperOrigin-RevId: 331621809

davidzchen/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,katre/bazel,safarmer/bazel,twitter-forks/bazel,cushon/bazel,twitter-forks/bazel,bazelbuild/bazel,safarmer/bazel,meteorcloudy/bazel,katre/bazel,meteorcloudy/bazel,twitter-forks/bazel,perezd/bazel,perezd/bazel,ButterflyNetwork/bazel,safarmer/bazel,perezd/bazel,katre/bazel,katre/bazel,meteorcloudy/bazel,davidzchen/bazel,perezd/bazel,twitter-forks/bazel,meteorcloudy/bazel,cushon/bazel,davidzchen/bazel,safarmer/bazel,katre/bazel,cushon/bazel,safarmer/bazel,cushon/bazel,perezd/bazel,twitter-forks/bazel,twitter-forks/bazel,twitter-forks/bazel,meteorcloudy/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,davidzchen/bazel,cushon/bazel,davidzchen/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,perezd/bazel,davidzchen/bazel,bazelbuild/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,perezd/bazel,safarmer/bazel,cushon/bazel,meteorcloudy/bazel,davidzchen/bazel,katre/bazel,bazelbuild/bazel