Fix minor documentation issues.

Author: CodeReclaimers

docs/config_file.rst

@@ -181,7 +181,7 @@ required for your particular implementation.
 .. index:: DefaultGenome
 
 [DefaultSpeciesSet] section
------------------------
+---------------------------
 The ``DefaultSpeciesSet`` section specifies parameters for the builtin `DefaultSpeciesSet` class.
 This section is only necessary if you specify this class as the genome implementation when
 creating the `Config` instance; otherwise you need to include whatever configuration (if any) is

docs/index.rst

@@ -58,11 +58,11 @@ Contents:
 
    config_file
    reproducibility
+   cookbook
    customization
    activation
    ctrnn
    network_export
-   network_export
 
 .. toctree::
    :maxdepth: 2

docs/module_summaries.rst

@@ -491,7 +491,7 @@ Does general configuration parsing; used by other classes for their configuratio
       `ConfigParser.SafeConfigParser class <https://docs.python.org/2.7/library/configparser.html#ConfigParser.SafeConfigParser>`_) to gather the
       configuration parameter from the appropriate configuration file :ref:`section <configuration-file-sections-label>`. Parsing varies depending on the type.
 
-      :param str section: The section name, taken from the `__name__` attribute of the class to be configured (or ``NEAT`` for those parameters).
+      :param str section: The section name, taken from the ``__name__`` attribute of the class to be configured (or ``NEAT`` for those parameters).
       :param config_parser: The configuration parser to be used.
       :type config_parser: :datamodel:`instance <index-48>`
       :return: The configuration parameter value, in stringified form unless a list.

docs/troubleshooting.rst

@@ -1,5 +1,5 @@
 Troubleshooting Guide
-====================
+=====================
 
 This guide helps you diagnose and fix common problems when using NEAT-Python. Each section follows a **Symptoms → Causes → Solutions** structure.