Correct intersphinx syntax

Author: ashwinvis

source/guides/creating-and-discovering-plugins.rst

@@ -120,10 +120,10 @@ a list of packages to :func:`setup`'s ``packages`` argument instead of using
 Using package metadata
 ======================
 
-`Setuptools`_ provides :setuptools:doc:`special support
-<userguide/entry_point>` for plugins. By providing the ``entry_points``
-argument to :func:`setup` in :file:`setup.py` plugins can register themselves
-for discovery.
+`Setuptools`_ provides :doc:`special support
+<setuptools:userguide/entry_point>` for plugins. By providing the
+``entry_points`` argument to :func:`setup` in :file:`setup.py` plugins can
+register themselves for discovery.
 
 For example if you have a package named ``myapp-plugin-a`` and it includes
 in its :file:`setup.py`:
@@ -165,10 +165,10 @@ Now the module of your choice can be imported by executing
 
 .. note:: The ``entry_point`` specification in :file:`setup.py` is fairly
     flexible and has a lot of options. It's recommended to read over the entire
-    section on :setuptools:doc:`entry points <userguide/entry_point>` .
+    section on :doc:`entry points <setuptools:userguide/entry_point>` .
 
-.. note:: Since this specification is part of the :python:doc:`standard library
-   <library/importlib.metadata>`, most packaging tools other than setuptools
+.. note:: Since this specification is part of the :doc:`standard library
+   <python:library/importlib.metadata>`, most packaging tools other than setuptools
    provide support for defining entry points.
 
 .. _Setuptools: https://setuptools.readthedocs.io