We announce a new topic for a student’s thesis. The topic is about developing an approach for generic specification of so called Model Smells which indicate Model Refactorings. Model Smells reveal structures in models which should be refactored because of bad design. A detailed description (german) of the topic can be found under http://st.inf.tu-dresden.de/content/index.php?node=teaching&leaf=17&type=3&id=345#jumpid17.