diff --git a/requirements.txt b/requirements.txt
index 0bcfd41c..ab4aba81 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 pbr>=1.6 # Apache-2.0
 Babel>=2.3.4 # BSD
 PrettyTable<0.8,>=0.7 # BSD
-keystoneauth1>=2.10.0  # Apache-2.0
+keystoneauth1>=2.10.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
 warlock!=1.3.0,<2,>=1.0.1 # Apache-2.0
 six>=1.9.0 # MIT