This communication is based on the work of a pedagogical team (two research engineers, a researcher, a pedagogical advisor and a teacher) conducting an action-research which aim at improving the teachers’ pedagogical communication during lectures in order to improve and facilitate the student note-taking. This research measures and questions the teaching practices in a reflective way and contributes to improving the pedagogical training of teachers. Based on the research results, the critical reflection on the teaching practice and its evaluation, the purpose of the SoTL through action-research method is to contribute to the development of teachers’ professional practices.