Enable 'nit-picky mode' for Sphinx's documentation

Fix several reference errors throughout the documentation and set
``nitpick_ignore`` in ``doc/conf.py``.

2 files changed, 5 insertions, 4 deletions

diff --git a/doc/development/tutorials/autodoc_ext.rst b/doc/development/tutorials/autodoc_ext.rst
index 8de2e4d4a..cfd23e7e6 100644
--- a/doc/development/tutorials/autodoc_ext.rst
+++ b/doc/development/tutorials/autodoc_ext.rst
@@ -54,9 +54,10 @@ Start with ``setup`` function for the extension.
    :pyobject: setup
 
 
-The :meth:`~Sphinx.setup_extension` method will pull the autodoc extension
-because our new extension depends on autodoc. :meth:`~Sphinx.add_autodocumenter`
-is the method that registers our new auto documenter class.
+The :meth:`~sphinx.application.Sphinx.setup_extension` method will pull the
+autodoc extension because our new extension depends on autodoc.
+:meth:`~sphinx.application.Sphinx.add_autodocumenter` is the method that
+registers our new auto documenter class.
 
 We want to import certain objects from the autodoc extension:
 
diff --git a/doc/development/tutorials/todo.rst b/doc/development/tutorials/todo.rst
index c0a5c0d87..f23d8adaf 100644
--- a/doc/development/tutorials/todo.rst
+++ b/doc/development/tutorials/todo.rst
@@ -112,7 +112,7 @@ is just a "general" node.
 
    It is important to know that while you can extend Sphinx without
    leaving your ``conf.py``, if you declare an inherited node right
-   there, you'll hit an unobvious :py:class:`PickleError`. So if
+   there, you'll hit an unobvious :py:class:`~pickle.PickleError`. So if
    something goes wrong, please make sure that you put inherited nodes
    into a separate Python module.