diff --git a/docs/about/why-waffle.rst b/docs/about/why-waffle.rst
index c845d812..77ac596c 100644
--- a/docs/about/why-waffle.rst
+++ b/docs/about/why-waffle.rst
@@ -19,31 +19,20 @@ Waffle :ref:`aims to <about-goals>`
 Waffle has an `active community`_ and gets `fairly steady updates`_.
 
 
-vs Gargoyle
-===========
-
-The other major, active feature flag tool for Django is Disqus's
-Gargoyle_. Both support similar features, though Gargoyle offers more
-options for building custom segments in exchange for some more
-complexity and requirements.
-
-
 Waffle in Production
 ====================
 
-Despite its pre-1.0 version number, Waffle has been used in production
-for years at places like Mozilla, Yipit and TodaysMeet.
+Waffle has been used in production for years at places like Mozilla, Yipit and TodaysMeet.
 
 - Mozilla (Support, MDN, Addons, etc)
 - TodaysMeet
 - Yipit
 
 (If you're using Waffle in production and don't mind being included
-here, let me know or add yourself in a pull request!)
+here, let us know or add yourself in a pull request!)
 
 
 .. _Feature flags: http://code.flickr.net/2009/12/02/flipping-out/
 .. _several options: https://www.djangopackages.com/grids/g/feature-flip/
 .. _active community: https://github.com/jazzband/django-waffle/graphs/contributors
 .. _fairly steady updates: https://github.com/jazzband/django-waffle/pulse/monthly
-.. _Gargoyle: https://github.com/disqus/gargoyle
diff --git a/docs/starting/installation.rst b/docs/starting/installation.rst
index 5a693592..f97ed371 100644
--- a/docs/starting/installation.rst
+++ b/docs/starting/installation.rst
@@ -11,13 +11,11 @@ met, installing Waffle is a simple process.
 Getting Waffle
 ==============
 
-Waffle is `hosted on PyPI`_ and can be installed with ``pip`` or
-``easy_install``:
+Waffle is `hosted on PyPI`_ and can be installed with ``pip``
 
 .. code-block:: shell
 
     $ pip install django-waffle
-    $ easy_install django-waffle
 
 Waffle is also available `on GitHub`_. In general, ``master`` should be
 stable, but use caution depending on unreleased versions.
@@ -80,33 +78,18 @@ With django-jinja_, add the extension to the ``extensions`` list::
         # ...
     ]
 
-With jingo_, add it to the ``JINJA_CONFIG['extensions']`` list::
-
-    JINJA_CONFIG = {
-        'extensions': [
-            # ...
-            'waffle.jinja.WaffleExtension',
-        ],
-        # ...
-    }
-
-
 .. _installation-settings-migrations:
 
 Database Schema
 ===============
 
 Waffle includes `Django migrations`_ for creating the correct database
-schema. If using Django >= 1.7, simply run the ``migrate`` management
-command after adding Waffle to ``INSTALLED_APPS``:
+schema. Simply run the ``migrate`` management command after adding Waffle to
+``INSTALLED_APPS``:
 
 .. code-block:: shell
 
     $ django-admin.py migrate
 
-If you're using a version of Django without migrations, you can run
-``syncdb`` to create the Waffle tables.
-
 .. _Django migrations: https://docs.djangoproject.com/en/dev/topics/migrations/
 .. _django-jinja: https://pypi.python.org/pypi/django-jinja/
-.. _jingo: http://jingo.readthedocs.org/
diff --git a/docs/testing/automated.rst b/docs/testing/automated.rst
index 9da4f532..3d5c0de0 100644
--- a/docs/testing/automated.rst
+++ b/docs/testing/automated.rst
@@ -53,9 +53,8 @@ Tests that run in a separate process, such as Selenium tests, may not
 have access to the test database or the ability to mock Waffle values.
 
 For tests that make HTTP requests to the system-under-test (e.g. with
-Selenium_ or PhantomJS_) the ``WAFFLE_OVERRIDE`` :ref:`setting
-<starting-configuring>` makes it possible to control the value of any
-*Flag* via the querystring.
+Selenium_) the ``WAFFLE_OVERRIDE`` :ref:`setting <starting-configuring>`
+makes it possible to control the value of any *Flag* via the querystring.
 
 .. highlight:: http
 
@@ -72,4 +71,3 @@ or that it is "off"::
 .. _mock: http://pypi.python.org/pypi/mock/
 .. _fudge: http://farmdev.com/projects/fudge/
 .. _Selenium: http://www.seleniumhq.org/
-.. _PhantomJS: http://phantomjs.org/
diff --git a/docs/testing/user.rst b/docs/testing/user.rst
index 2069c94c..b8290ec7 100644
--- a/docs/testing/user.rst
+++ b/docs/testing/user.rst
@@ -159,6 +159,6 @@ Wow, good work!
 You can use similar methods to derive the impact on other factors.
 
 
-.. _session variables: https://developers.google.com/analytics/devguides/collection/upgrade/reference/gajs-analyticsjs#custom-vars
+.. _session variables: https://support.google.com/analytics/answer/9191807?hl=en
 .. _#80: https://github.com/jazzband/django-waffle/issues/80
 .. _StatsD: https://github.com/etsy/statsd
diff --git a/pyproject.toml b/pyproject.toml
index 0b67f54d..b9057c32 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,8 @@ classifiers = [
 ]
 requires-python = ">=3.8"
 dependencies = ["django>=3.2"]
+[project.optional-dependencies]
+docs = ["sphinx"]
 
 [project.urls]
 Homepage = "http://github.com/django-waffle/django-waffle"