diff --git a/README.md b/README.md
index 1ab23f296..5e976acba 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,19 @@ style](#coding-style)**. The following tools are there to help you:
 - `./venv/bin/tox -e lint` checks the style of the whole project,
   while `./venv/bin/pylint --rcfile=.pylintrc file` will check a single `file` only.
 
+## Documentation
+
+In order to generate the sphinx documentation, run the following commands.
+
+```
+./venv/bin/python setup.py docs
+cd docs
+make SPHINXBUILD='../venv/bin/python /usr/local/bin/sphinx-build'
+```
+
+This should generate documentation in the /lets-encrypt-preview/docs/_build/html
+directory.
+
 ### Coding style
 
 Most importantly, **be consistent with the rest of the code**, please.
diff --git a/letsencrypt/client/apache/configurator.py b/letsencrypt/client/apache/configurator.py
index e0e1852ed..085072568 100644
--- a/letsencrypt/client/apache/configurator.py
+++ b/letsencrypt/client/apache/configurator.py
@@ -67,7 +67,7 @@ class ApacheConfigurator(augeas_configurator.AugeasConfigurator):
     :ivar str server_root: Path to Apache root directory
     :ivar dict location: Path to various files associated
         with the configuration
-    :ivar float version: version of Apache
+    :ivar tup version: version of Apache
     :ivar list vhosts: All vhosts found in the configuration
         (:class:`list` of :class:`letsencrypt.client.apache.obj.VirtualHost`)