message: clarify cmdline
diff: @@ -255,6 +255,9 @@ optional arguments:
  --weights WEIGHTS Set of weights to initialize the model with
  ```
  +The DUD-E docked poses used in the original paper can be found [here](http://bits.csb.pitt.edu/files/docked_dude.tar).
  +We will make additional datasets (beyond what is available in [models/data](https://github.com/gnina/models/tree/master/data) available as they are requested. Feel free to contact us.
  +
  User Grids
  ----------
  