diff --git a/test-requirements.txt b/test-requirements.txt
index 467e14e..bebaf45 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-cliff>=2.8.0  # Apache-2.0
+cliff>=2.8.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD