.yardopts in nvd_feed_api-0.3.1 vs .yardopts in nvd_feed_api-0.4.0

@@ -1,7 +1,9 @@
 --protected
 --private
 --output-dir doc/
+--markup markdown
+--markup-provider commonmarker
 -
 --main README.md
 LICENSE.txt
 pages/INSTALL.md
 pages/FEATURES.md