diff --git a/docs/ansible_detailed.rst b/docs/ansible_detailed.rst
index 64fcd636..a95575ee 100644
--- a/docs/ansible_detailed.rst
+++ b/docs/ansible_detailed.rst
@@ -147,8 +147,10 @@ Noteworthy Differences
 
 * Mitogen 0.2.x supports Ansible 2.3-2.9; with Python 2.6, 2.7, or 3.6.
   Mitogen 0.3.1+ supports
+
     - Ansible 2.10, 3, and 4; with Python 2.7, or 3.6-3.11
     - Ansible 5 and 6; with Python 3.8-3.11
+
   Verify your installation is running one of these versions by checking
   ``ansible --version`` output.
 
diff --git a/docs/changelog.rst b/docs/changelog.rst
index d4060177..dde66319 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -92,7 +92,7 @@ v0.2.10 (2021-11-24)
 * :gh:issue:`756` ssh connections with `check_host_keys='accept'` would
   timeout, when using recent OpenSSH client versions.
 * :gh:issue:`758` fix initilialisation of callback plugins in test suite, to address a `KeyError` in
-  :method:`ansible.plugins.callback.CallbackBase.v2_runner_on_start`
+  :py:meth:`ansible.plugins.callback.CallbackBase.v2_runner_on_start`
 * :gh:issue:`775` Test with Python 3.9
 * :gh:issue:`775` Add msvcrt to the default module deny list
 
diff --git a/docs/conf.py b/docs/conf.py
index 54e3a5c7..80607694 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,10 +1,9 @@
-import os
 import sys
 
 sys.path.append('..')
 sys.path.append('.')
 import mitogen
-VERSION = '%s.%s.%s' % mitogen.__version__
+VERSION = '.'.join(str(part) for part in mitogen.__version__)
 
 author = u'Network Genomics'
 copyright = u'2021, the Mitogen authors'
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3c4674fd..a2894c82 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,6 @@
+docutils<0.18
+Jinja2<3
+MarkupSafe<2.1
 Sphinx==2.1.2; python_version > '3.0'
 sphinxcontrib-programoutput==0.14; python_version > '3.0'
 alabaster==0.7.10; python_version > '3.0'
diff --git a/mitogen/service.py b/mitogen/service.py
index 0e5f6419..7fde9013 100644
--- a/mitogen/service.py
+++ b/mitogen/service.py
@@ -752,10 +752,12 @@ class PushFileService(Service):
         One size fits all method to ensure a target context has been preloaded
         with a set of small files and Python modules.
 
-        overridden_sources: optional dict containing source code to override path's source code
-        extra_sys_paths:    loads additional sys paths for use in finding modules; beneficial
-                            in situations like loading Ansible Collections because source code
-                            dependencies come from different file paths than where the source lives
+        :param dict overridden_sources:
+            Optional dict containing source code to override path's source code
+        :param extra_sys_paths:
+            Loads additional sys paths for use in finding modules; beneficial
+            in situations like loading Ansible Collections because source code
+            dependencies come from different file paths than where the source lives
         """
         for path in paths:
             overridden_source = None
diff --git a/tox.ini b/tox.ini
index 5bfb7fe9..e4c26c39 100644
--- a/tox.ini
+++ b/tox.ini
@@ -139,7 +139,9 @@ whitelist_externals =
     echo
 
 [testenv:docs]
-basepython = python3
+basepython = python3.8
 changedir = docs
 commands =
     sphinx-build -W -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
+deps =
+    -r docs/requirements.txt