Update doc/tutorial.rst

Co-Authored-By: Achilleas Koutsou <achilleas.k@gmail.com>

Author: mpsonntag

doc/tutorial.rst

@@ -101,7 +101,7 @@ On Ubuntu, the dependency packages are available as ``python-lxml``, ``python-ya
 Note that on Ubuntu 14.04, the latter package additionally requires the
 installation of ``libxml2-dev``, ``libxslt1-dev``, and ``lib32z1-dev``.
 
-Python 2 has reached end of life. We will not keep any future versions of odml Python 2 compatible and also advertise using a Python version >= 3.6. If a Python version < 3.6 is a requirement, the following dependency needs to be installed as well:
+Python 2 has reached end of life. We will not keep any future versions of odml Python 2 compatible and also recommend using a Python version >= 3.6. If a Python version < 3.6 is a requirement, the following dependency needs to be installed as well:
 
 The ``enum34`` package with a ``pip`` installation or ``python-enum`` using the OS package manager.