message: Commented out a description of the delayed-build pattern. :)
diff: @@ -87,8 +87,8 @@ class Sequential(Model):
  model.add(Dense(32))
  model.weights # returns list of length 4
  - When using the delayed-build pattern (no input shape specified), you can
  - choose to manually build your model by calling `build(batch_input_shape)`:
  + # When using the delayed-build pattern (no input shape specified), you can
  + # choose to manually build your model by calling `build(batch_input_shape)`:
  model = Sequential()
  model.add(Dense(32))
  model.add(Dense(32))
  