Changed some doc links to use intersphinx.

docs/howto/windows.txt

@@ -57,8 +57,8 @@ It is best practice to provide a dedicated environment for each Django project
 you create. There are many options to manage environments and packages within
 the Python ecosystem, some of which are recommended in the `Python
 documentation <https://packaging.python.org/guides/tool-recommendations/>`_.
-Python itself comes with `venv`_ for managing environments which we will use
-for this guide.
+Python itself comes with :doc:`venv <python:tutorial/venv>` for managing
+environments which we will use for this guide.
 
 To create a virtual environment for your project, open a new command prompt,
 navigate to the folder where you want to create your project and then enter the
@@ -75,8 +75,6 @@ The virtual environment will be activated and you'll see "(project-name)" next
 to the command prompt to designate that. Each time you start a new command
 prompt, you'll need to activate the environment again.
 
-.. _venv: https://docs.python.org/3/tutorial/venv.html
-
 Install Django
 ==============
 

docs/topics/db/queries.txt

@@ -1315,8 +1315,9 @@ Using the models at the top of this page, for example, an ``Entry`` object ``e``
 can get its associated ``Blog`` object by accessing the ``blog`` attribute:
 ``e.blog``.
 
-(Behind the scenes, this functionality is implemented by Python descriptors_.
-This shouldn't really matter to you, but we point it out here for the curious.)
+(Behind the scenes, this functionality is implemented by Python
+:doc:`descriptors <python:howto/descriptor>`. This shouldn't really matter to
+you, but we point it out here for the curious.)
 
 Django also creates API accessors for the "other" side of the relationship --
 the link from the related model to the model that defines the relationship.
@@ -1326,8 +1327,6 @@ For example, a ``Blog`` object ``b`` has access to a list of all related
 All examples in this section use the sample ``Blog``, ``Author`` and ``Entry``
 models defined at the top of this page.
 
-.. _descriptors: https://docs.python.org/howto/descriptor.html
-
 One-to-many relationships
 -------------------------