fix rst issues

Author: Remi-Gau

docs/source/architecture.rst

@@ -2,7 +2,7 @@ Architecture
 ************
 
 At the highest levels CPP SPM is organized in workflows:
-they all start with the prefix `bids` (for example ``bidsRealignReslice``)
+they all start with the prefix ``bids`` (for example ``bidsRealignReslice``)
 and are in the folder :mod:`src.workflows`
 Workflows typical run on all the subjects specified in the ``options`` structure
 (see the :ref:`set-up` section).

docs/source/index.rst

@@ -1,7 +1,7 @@
 .. cpp_bids_spm documentation master file, created by
    sphinx-quickstart on Tue Oct 13 11:38:30 2020.
    You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
+   contain the root ``toctree`` directive.
 
 
 Welcome to CPP SPM documentation!