diff --git a/docs/usage.rst b/docs/usage.rst
index 5f007a2ea1fa1bd1c2f57af7ef38cdbd8fad3a1e..ef698d3fdbbf64cbda7d2a69aa54a319cb675220 100644
--- a/docs/usage.rst
+++ b/docs/usage.rst
@@ -147,7 +147,7 @@ packages, and to prepare the environment a bit on the Ansible server:
      mkdir ~/mysite/
      mkvirtualenv -p /usr/bin/python3 -a ~/mysite/ mysite
      pip install -U pip setuptools
-     pip install 'ansible~=2.9.0' dnspython
+     pip install 'ansible~=2.9.0' dnspython netaddr
 
 .. warning::
    The ``dnspython`` package is important since it is used internally via
@@ -518,7 +518,7 @@ etc.
 .. note::
    Should you ever need to limit what hosts can connect to a server
    for some kind of maintenance or upgrade purposes, the ``common``
-   role comes with ``maintenance`` and ``maintenance_allowed_hosts``
+   role comes with ``maintenance`` and ``maintenance_allowed_sources``
    parameters. See :ref:`rolereference` for more information.
 
 Let's take care of this common configuration right away: