minor doc cleanup

doc/index.rst

@@ -8,11 +8,13 @@ The sources can be found on GitLab_.
 Installation is easiest using pip. If you want to install just for your user type
 
 .. code-block:: bash
+
     pip install git+https://gitlab01.esss.lu.se/ess-bp/ess-python-tools.git -U --user
 
-If you want to install it system wide, omit the `--user` argument:
+If you want to install it system wide, omit the `-\-user` argument:
 
 .. code-block:: bash
+
     pip install git+https://gitlab01.esss.lu.se/ess-bp/ess-python-tools.git -U