message: Link to tf.ConfigProto
diff: @@ -2717,7 +2717,7 @@ def create_local_cluster(num_workers,
  TODO: image from https://www.tensorflow.org/images/diag1.svg
  - Figure 2 illustrates the interaction of these components.
  + Figure illustrates the interaction of these components.
  "/job:worker/task:0" and "/job:ps/task:0" are both tasks with worker services.
  @@ -2744,9 +2744,9 @@ def create_local_cluster(num_workers,
  num_ps: Number of PS servers to start.
  protocol: Communication protocol. Allowed values are documented in the
  documentation of `tf.train.Server`.
  - worker_config: (optional) ConfigProto to initialize workers. Can be used to
  + worker_config: (optional) `tf.ConfigProto` to initialize workers. Can be used to
  instantiate multiple devices etc.
  - ps_config: (optional) ConfigProto to initialize PS servers.
  + ps_config: (optional) `tf.ConfigProto` to initialize PS servers.
  Returns:
  A tuple `(worker_servers, ps_servers)`. `worker_servers` is a list
  