message: Fix a typo in toco flags description.
diff: @@ -48,7 +48,7 @@ bool ParseModelFlagsFromCommandLineFlags(
  "that information from the input file."),
  Flag("input_arrays", parsed_flags.input_arrays.bind(),
  parsed_flags.input_arrays.default_value(),
  - "Names of the output arrays, comma-separated. If not specified, "
  + "Names of the input arrays, comma-separated. If not specified, "
  "will try to read that information from the input file."),
  Flag("output_array", parsed_flags.output_array.bind(),
  parsed_flags.output_array.default_value(),
  