diff --git a/site/_docs/plugins.md b/site/_docs/plugins.md
index 7cd7c3f8..ad7d27dc 100644
--- a/site/_docs/plugins.md
+++ b/site/_docs/plugins.md
@@ -780,6 +780,7 @@ LESS.js files during generation.
 - [Jekyll Thumbnail Filter](https://github.com/matallo/jekyll-thumbnail-filter): Related posts thumbnail filter.
 - [Jekyll-Smartify](https://github.com/pathawks/jekyll-smartify): SmartyPants filter. Make "quotes" “curly”
 - [liquid-md5](https://github.com/pathawks/liquid-md5): Returns an MD5 hash. Helpful for generating Gravatars in templates.
+- [jekyll-roman](https://github.com/paulrobertlloyd/jekyll-roman): A liquid filter for Jekyll that converts numbers into Roman numerals.
 
 #### Tags