diff --git a/requirements.txt b/requirements.txt
index 819fc247a..a9dda43f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ stevedore>=1.5.0 # Apache-2.0
 six>=1.9.0
 cachetools>=1.0.0 # MIT License
 
-debtcollector>=0.3.0  # Apache-2.0
+debtcollector>=0.3.0 # Apache-2.0
 
 # FIXME(markmc): remove this when the drivers no longer
 # import eventlet