diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index a1385e55..0d202563 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -71,7 +71,7 @@ copyright = '%d, OpenStack Foundation' % datetime.datetime.now().year
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+# language = None
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used: