Some minor doc formatting fixes.

Author: drvinceknight

docs/tutorials/contributing/strategy/docstrings.rst

@@ -49,6 +49,6 @@ The Sections of the docstring are:
 
    Here, the info written under the Names section
    tells about the source of the TitforTat strategy.
-   `[Axelrod1980]_` corresponds to the bibliographic item in
-   `docs/reference/bibliography.rst`. If you are using a source
+   :code:`[Axelrod1980]_` corresponds to the bibliographic item in
+   :code:`docs/reference/bibliography.rst`. If you are using a source
    that is not in the bibliography please add it.

docs/tutorials/getting_started/visualising_results.rst

@@ -57,8 +57,8 @@ outputs of tournaments with a large number of strategies::
 Saving all plots
 ----------------
 
-The `axelrod.Plot` class has a method: `save_all_plots` that will save all the
-above plots to file.
+The :code:`axelrod.Plot` class has a method: :code:`save_all_plots` that will
+save all the above plots to file.
 
 Passing various objects to plot
 -------------------------------