diff --git a/tox.ini b/tox.ini
index 9ed3db373c..9be8e23f75 100644
--- a/tox.ini
+++ b/tox.ini
@@ -67,6 +67,7 @@ whitelist_externals = rm
 commands =
   rm -rf doc/build
   python setup.py build_sphinx
+  # Ignore D001 since we allow lines in excess of 79 characters.
   doc8 --ignore D001 --ignore-path .tox --ignore-path doc/build --ignore-path manila.egg-info -e txt -e rst
 
 [testenv:cover]