message: edit for clearity, changed "implied" to "applied"
diff: @@ -351,7 +351,7 @@ class ImageDataGenerator(image.ImageDataGenerator):
  If None or 0, no rescaling is applied,
  otherwise we multiply the data by the value provided
  (after applying all other transformations).
  - preprocessing_function: function that will be implied on each input.
  + preprocessing_function: function that will be applied on each input.
  The function will run after the image is resized and augmented.
  The function should take one argument:
  one image (Numpy tensor with rank 3),
  