RF: minor changes
RF: minor changes

matthieudumont/dipy,nilgoyyou/dipy,FrancoisRheaultUS/dipy,nilgoyyou/dipy,JohnGriffiths/dipy,villalonreina/dipy,JohnGriffiths/dipy,StongeEtienne/dipy,villalonreina/dipy,matthieudumont/dipy,FrancoisRheaultUS/dipy,StongeEtienne/dipy