-m_Librarian is written in Python and requires Python 2.7. So install
-Python 2.7 first. Install required modules: SQLObject and m_lib.
+m_Librarian is written in Python and requires Python (2.7 or 3.4+). So
+install Python first. Install required modules: SQLObject and
+m_lib.defenc. pip `installs <install.html>`_ required modules
+automatically.