Update doc string for name attribute
Update doc string for name attribute

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