message: Fixed typo in Estimator documentation.
diff: @@ -104,7 +104,7 @@ class Estimator(object):
  constructor enforces this). Subclasses should use `model_fn` to configure
  the base class, and may add methods implementing specialized functionality.
  - @compatbility(eager)
  + @compatibility(eager)
  Calling methods of `Estimator` will work while eager execution is enabled.
  However, the `model_fn` and `input_fn` is not executed eagerly, `Estimator`
  will switch to graph model before calling all user-provided functions (incl.
  