fixed a typo in changelog
fixed a typo in changelog

junghans/csg,MrTheodor/csg,junghans/csg,junghans/csg,votca/csg,MrTheodor/csg,junghans/csg,MrTheodor/csg,votca/csg,junghans/csg,junghans/csg,MrTheodor/csg,votca/csg,votca/csg,MrTheodor/csg