Currently in http://astropy.readthedocs.io/en/latest/modeling/units.html

"Similarly to return_units, this should be dictionary that maps the return values of a model to units. If evaluate() was called with quantities but returns unitless values, the units are added to the output. If the return values are quantities in different units, they are converted to return_units."

1. "Similarly to return_units" does not make sense. Replace "to" with "in"? Or reword it?
2. What is the name of return values? For example, for BlackBody1D, is it y (as stated in API doc of evaluate() or fnu (the actual variable name that is returned)? How does a user find this without code-diving? Answer: y