diff --git a/test-requirements.txt b/test-requirements.txt
index 8889a2ee4..4fa4efcab 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -23,4 +23,4 @@ reno>=1.8.0 # Apache-2.0
 bandit>=1.1.0 # Apache-2.0
 os-api-ref>=1.0.0 # Apache-2.0
 zake>=0.1.6 # Apache-2.0
-openstackdocstheme>=1.5.0  # Apache-2.0
+openstackdocstheme>=1.5.0 # Apache-2.0