Update method docs to include expected opts keys
Update method docs to include expected opts keys

chrisroberts/vagrant,mitchellh/vagrant,mitchellh/vagrant,sni/vagrant,marxarelli/vagrant,mitchellh/vagrant,marxarelli/vagrant,marxarelli/vagrant,sni/vagrant,chrisroberts/vagrant,sni/vagrant,mitchellh/vagrant,marxarelli/vagrant,chrisroberts/vagrant,sni/vagrant,chrisroberts/vagrant