docs: Explicitly specify language as english
@@ -72,7 +72,7 @@ version = '.'.join(release.split('.')[:2])
#
# 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 = "en"
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
