verbatized the commands

docs/installation.rst

@@ -174,19 +174,19 @@ We highly encourage with any installation problems to try the recommended instal
 method because this often fix problems. Here are some common problems when
 installing and their fixes:
 
-**Problem:** While building tardis via `python setup.py` build you
+**Problem:** While building tardis via ``python setup.py`` build you
 may encounter the following error::
 
     error: tardis/montecarlo/montecarlo.c: Could not find C file tardis/montecarlo/montecarlo.c for Cython file tardis/montecarlo/montecarlo.pyx when building extension tardis.montecarlo.montecarlo. Cython must be installed to build from a git checkout.
 
 
 **Solution:** There are several solutions to this problem. A clean checkout will
-help. To clean up your repository please try `python setup.py clean` and
-then `git clean -dfx` (**WARNING** will delete any non tardis file in that directory)
+help. To clean up your repository please try ``python setup.py clean`` and
+then ``git clean -dfx`` (**WARNING** will delete any non tardis file in that directory)
 This will often clean this problem. If it still persists:
 
 Go into the tardis/montecarlo directory and build montecarlo.c by hand::
 
     cython montecarlo.pyx
 
-Then, `python setup.py build` should run without problems.
+Then, ``python setup.py build`` should run without problems.