message: Fixing typo in documentation.
  epochs is not the third argument to fit() (it's batch_size)
diff: @@ -41,7 +41,7 @@ class LinearModel(training.Model):
  ```python
  model = LinearModel()
  model.compile(optimizer='sgd', loss='mse')
  - model.fit(x, y, epochs)
  + model.fit(x, y, epochs=epochs)
  ```
  This model accepts sparse float inputs as well:
  