diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c1dcdd7925..44bfd69ba4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -64,6 +64,6 @@ $ tests/test_bare.sh use_celery=y
 
 ## Submitting a pull request
 
-Once you're happy with your changes and they look ok locally, push and send send [a pull request][submit-a-pr] to the main repo, which will trigger the tests on GitHub actions. If they fail, try to fix them. A maintainer should take a look at your change and give you feedback or merge it.
+Once you're happy with your changes and they look ok locally, push and send [a pull request][submit-a-pr] to the main repo, which will trigger the tests on GitHub actions. If they fail, try to fix them. A maintainer should take a look at your change and give you feedback or merge it.
 
 [submit-a-pr]: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request
diff --git a/docs/1-getting-started/project-generation-options.rst b/docs/1-getting-started/project-generation-options.rst
index fe6fa29cce..3ed38cbcd5 100644
--- a/docs/1-getting-started/project-generation-options.rst
+++ b/docs/1-getting-started/project-generation-options.rst
@@ -149,7 +149,7 @@ debug:
 .. _MIT: https://opensource.org/licenses/MIT
 .. _BSD: https://opensource.org/licenses/BSD-3-Clause
 .. _GPLv3: https://www.gnu.org/licenses/gpl.html
-.. _Apache Software License 2.0: http://www.apache.org/licenses/LICENSE-2.0
+.. _Apache Software License 2.0: https://www.apache.org/licenses/LICENSE-2.0
 
 .. _PyCharm: https://www.jetbrains.com/pycharm/
 .. _VS Code: https://github.com/microsoft/vscode
diff --git a/docs/2-local-development/developing-locally-docker.rst b/docs/2-local-development/developing-locally-docker.rst
index eb98f680f2..ea6f3e887d 100644
--- a/docs/2-local-development/developing-locally-docker.rst
+++ b/docs/2-local-development/developing-locally-docker.rst
@@ -18,7 +18,7 @@ Prerequisites
 * Pre-commit; refer to the official documentation for the `pre-commit`_.
 * Cookiecutter; refer to the official GitHub repository of `Cookiecutter`_
 
-.. _`installation instructions`: https://docs.docker.com/install/#supported-platforms
+.. _`installation instructions`: https://docs.docker.com/install/
 .. _`installation guide`: https://docs.docker.com/compose/install/
 .. _`pre-commit`: https://pre-commit.com/#install
 .. _`Cookiecutter`: https://github.com/cookiecutter/cookiecutter
diff --git a/docs/2-local-development/developing-locally.rst b/docs/2-local-development/developing-locally.rst
index 278d2542dd..c6f052ea75 100644
--- a/docs/2-local-development/developing-locally.rst
+++ b/docs/2-local-development/developing-locally.rst
@@ -206,7 +206,7 @@ The project comes with a simple task for manual testing purposes, inside `<proje
 
 You can also use Django admin to queue up tasks, thanks to the `django-celerybeat`_ package.
 
-.. _Getting started with Redis: https://redis.io/docs/getting-started/
+.. _Getting started with Redis: https://redis.io/docs/latest/get-started/
 .. _Celery Workers Guide: https://docs.celeryq.dev/en/stable/userguide/workers.html
 .. _django-celerybeat: https://django-celery-beat.readthedocs.io/en/latest/
 
diff --git a/docs/3-deployment/deployment-on-heroku.rst b/docs/3-deployment/deployment-on-heroku.rst
index 687795466e..28d8f2d7c7 100644
--- a/docs/3-deployment/deployment-on-heroku.rst
+++ b/docs/3-deployment/deployment-on-heroku.rst
@@ -121,4 +121,4 @@ which run the SASS compilation & JS bundling.
 
 If things don't work, please refer to the Heroku docs.
 
-.. _multiple buildpacks: https://devcenter.heroku.com/articles/using-multiple-buildpacks-for-an-app
+.. _multiple buildpacks: https://devcenter.heroku.com/articles/managing-buildpacks
diff --git a/docs/4-guides/document.rst b/docs/4-guides/document.rst
index 61cb692d32..b06a2843da 100644
--- a/docs/4-guides/document.rst
+++ b/docs/4-guides/document.rst
@@ -38,7 +38,7 @@ Additionally, you can auto-build Pull Request previews, but `you must enable it`
 
 .. _localhost: http://localhost:9000/
 .. _Sphinx: https://www.sphinx-doc.org/en/master/index.html
-.. _develop locally: ./developing-locally.html
-.. _develop locally with docker: ./developing-locally-docker.html
+.. _develop locally: ../2-local-development/developing-locally.html
+.. _develop locally with docker: ../2-local-development/developing-locally-docker.html
 .. _ReadTheDocs: https://readthedocs.org/
-.. _you must enable it: https://docs.readthedocs.io/en/latest/guides/autobuild-docs-for-pull-requests.html#autobuild-documentation-for-pull-requests
+.. _you must enable it: https://docs.readthedocs.com/platform/latest/pull-requests.html#features
diff --git a/docs/5-help/faq.rst b/docs/5-help/faq.rst
index 5b4e824f5d..68758ac2c5 100644
--- a/docs/5-help/faq.rst
+++ b/docs/5-help/faq.rst
@@ -24,4 +24,4 @@ Why doesn't this follow the layout from Two Scoops of Django?
 
 You may notice that some elements of this project do not exactly match what we describe in chapter 3 of `Two Scoops of Django 3.x`_. The reason for that is this project, amongst other things, serves as a test bed for trying out new ideas and concepts. Sometimes they work, sometimes they don't, but the end result is that it won't necessarily match precisely what is described in the book I co-authored.
 
-.. _Two Scoops of Django 3.x: https://www.feldroy.com/two-scoops-press#two-scoops-of-django
+.. _Two Scoops of Django 3.x: https://www.feldroy.com/two-scoops-of-django
diff --git a/docs/includes/mailgun.rst b/docs/includes/mailgun.rst
index b5f49b625d..e166b733ef 100644
--- a/docs/includes/mailgun.rst
+++ b/docs/includes/mailgun.rst
@@ -10,4 +10,4 @@ sandbox subdomain by default. Either add your email to the list of authorized re
 or verify your domain.
 
 
-.. _have emails verifications mandatory: https://django-allauth.readthedocs.io/en/latest/configuration.html?highlight=ACCOUNT_EMAIL_VERIFICATION
+.. _have emails verifications mandatory: https://docs.allauth.org/en/latest/account/configuration.html#email-verification