diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index f7bb326..00f9e8f 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -77,7 +77,7 @@ master_doc = 'index'
 #
 # 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
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.