diff --git a/doc/source/user/log-in.rst b/doc/source/user/log-in.rst
index bd60544c91..194dc30dcf 100644
--- a/doc/source/user/log-in.rst
+++ b/doc/source/user/log-in.rst
@@ -120,7 +120,8 @@ Network tab
 * :guilabel:`Security Groups`: View, create, edit, and delete security
   groups and security group rules..
 
-* :guilabel:`Floating IPs`: Allocate an IP address to or release it from a project.
+* :guilabel:`Floating IPs`: Allocate an IP address to or release it
+  from a project.
 
 Object Store tab
 ----------------
diff --git a/tox.ini b/tox.ini
index d781951786..27bb7d7d28 100644
--- a/tox.ini
+++ b/tox.ini
@@ -69,6 +69,7 @@ commands =
   flake8 {posargs}
   {envpython} {toxinidir}/manage.py extract_messages --verbosity 0 --check-only
   bash {toxinidir}/tools/find_executables.sh
+  doc8 doc/source releasenotes/source releasenotes/notes
 
 [testenv:cover]
 commands =