Minor update to documentation.
Minor update to documentation.

joegomes/deepchem,peastman/deepchem,deepchem/deepchem,rbharath/deepchem,miaecle/deepchem,deepchem/deepchem,lilleswing/deepchem,ktaneishi/deepchem,joegomes/deepchem,rbharath/deepchem,lilleswing/deepchem,ktaneishi/deepchem,miaecle/deepchem,miaecle/deepchem,Agent007/deepchem,Agent007/deepchem,ktaneishi/deepchem,lilleswing/deepchem,peastman/deepchem,Agent007/deepchem