docs: Adds missing srcs brackets
docs: Adds missing srcs brackets

Fixes missing brackets in srcs attribute of docs.

Closes #13410.

PiperOrigin-RevId: 371705613

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