Clarified docs
Clarified docs

JosephCottam/AbstractRendering,JosephCottam/AbstractRendering,JosephCottam/AbstractRendering,ahmadia/AbstractRendering,JosephCottam/AbstractRendering,JosephCottam/AbstractRendering,ahmadia/AbstractRendering,ahmadia/AbstractRendering,ahmadia/AbstractRendering,ahmadia/AbstractRendering