message: Fixes the wording about StopIteration.
diff: @@ -211,17 +211,17 @@ class Estimator(object):
  hooks: List of `SessionRunHook` subclass instances. Used for callbacks
  inside the training loop.
  steps: Number of steps for which to train model. If `None`, train forever
  - or train until input_fn generates the `OutOfRange` or `StopIteration`
  - error. 'steps' works incrementally. If you call two times
  - train(steps=10) then training occurs in total 20 steps. If `OutOfRange`
  - or `StopIteration` error occurs in the middle, training stops before 20
  - steps. If you don't want to have incremental behavior please set
  - `max_steps` instead. If set, `max_steps` must be `None`.
  + or train until input_fn generates the `OutOfRange` error or
  + `StopIteration` exception. 'steps' works incrementally. If you call two
  + times train(steps=10) then training occurs in total 20 steps. If
  + `OutOfRange` or `StopIteration` occurs in the middle, training stops
  + before 20 steps. If you don't want to have incremental behavior please
  + set `max_steps` instead. If set, `max_steps` must be `None`.
  max_steps: Number of total steps for which to train model. If `None`,
  - train forever or train until input_fn generates the `OutOfRange` or
  - `StopIteration` error. If set, `steps` must be `None`. If `OutOfRange`
  - or `StopIteration` error occurs in the middle, training stops before
  - `max_steps` steps.
  + train forever or train until input_fn generates the `OutOfRange` error
  + or `StopIteration` exception. If set, `steps` must be `None`. If
  + `OutOfRange` or `StopIteration` occurs in the middle, training stops
  + before `max_steps` steps.
  Two calls to `train(steps=100)` means 200 training
  iterations. On the other hand, two calls to `train(max_steps=100)` means
  