diff --git a/requirements.txt b/requirements.txt
index 6c4180f9b..05381bd16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 Babel>=1.3 # BSD
 dib-utils # Apache-2.0
-pbr>=1.6  # Apache-2.0
+pbr>=1.6 # Apache-2.0
 PyYAML>=3.1.0 # MIT
 flake8<2.6.0,>2.4.1 # MIT
 six>=1.9.0 # MIT