update readme

README.md

@@ -17,7 +17,8 @@ This project does depend on python packages.
 (maybe to be replaced by an automation of some sort)
 * [```pip install pywikibot```](https://pypi.org/project/pywikibot/)
 * [```pip install wikitextparser```](https://pypi.org/project/wikitextparser/)
-* [```pip install importlib```](https://pypi.org/project/importlib/) Optional (for python 2.*)
+* [```pip install importlib```](https://pypi.org/project/importlib/)  
+_Optional (for python 2.*)_
 
 ### Wikstraktor Server
 If you want wikstraktor as a server, you need to install [flask](https://flask.palletsprojects.com/en/2.0.x/installation/), and best practice is to do so in a [virtual environment](https://docs.python.org/3/library/venv.html#module-venv).