message: Minor change to update LOG message.
diff: @@ -149,8 +149,8 @@ Status NewSession(const string& service_addr,
  // TODO(jiesun): GRPC support following relevant naming scheme:
  // 1. dns:///host:port
  // 2. ipv4:host:port or ipv6:[host]:port
  - // We might need to change the prefix which depends on what TPU name resolver
  - // will give us.
  + // We might need to change the prefix which depends on what cluster name
  + // resolver will give us.
  std::unique_ptr<grpc::ProfileAnalysis::Stub> stub =
  grpc::ProfileAnalysis::NewStub(::grpc::CreateCustomChannel(
  "dns:///" + service_addr, ::grpc::InsecureChannelCredentials(),
  @@ -191,7 +191,7 @@ Status ValidateHostPortPair(const string& host_port) {
  return Status::OK();
  }
  -// Starts tracing on a single or multiple TPU hosts and saves the result in the
  +// Starts tracing on a single or multiple hosts and saves the result in the
  // given logdir. If no trace was collected, retries tracing for
  // num_tracing_attempts.
  Status Trace(const string& service_addr, const string& logdir,
  @@ -211,14 +211,14 @@ Status Trace(const string& service_addr, const string& logdir,
  ProfileOptions opts;
  opts.set_include_dataset_ops(include_dataset_ops);
  while (true) {
  - std::cout << "Starting to profile TPU traces for " << duration_ms << " ms. "
  + std::cout << "Starting to trace for " << duration_ms << " ms. "
  << "Remaining attempt(s): " << --remaining_attempts << std::endl;
  if (hostnames.empty()) {
  status = Profile(service_addr, logdir, duration_ms, repository_root,
  session_id, opts);
  } else {
  - string tpu_master = service_addr;
  - status = NewSession(tpu_master, hostnames, duration_ms, repository_root,
  + string master = service_addr;
  + status = NewSession(master, hostnames, duration_ms, repository_root,
  session_id, opts);
  }
  if (remaining_attempts <= 0 || status.ok() || !ShouldRetryTracing(status))
  