diff --git a/site/_docs/plugins.md b/site/_docs/plugins.md
index c80081fb059..2d2ab95868e 100644
--- a/site/_docs/plugins.md
+++ b/site/_docs/plugins.md
@@ -579,7 +579,7 @@ You can find a few useful plugins at the following locations:
 - [Jekyll Project Version Tag](https://github.com/rob-murray/jekyll-version-plugin): A Liquid tag plugin that renders a version identifier for your Jekyll site sourced from the git repository containing your code.
 - [Piwigo Gallery](https://github.com/AlessandroLorenzi/piwigo_gallery) by [Alessandro Lorenzi](http://www.alorenzi.eu/): Jekyll plugin to generate thumbnails from a Piwigo gallery and display them with a Liquid tag
 - [mathml.rb](https://github.com/tmthrgd/jekyll-plugins) by [Tom Thorogood](http://tomthorogood.co.uk/): A plugin to convert TeX mathematics into MathML for display.
-
+- [webmention_io.rb](https://github.com/aarongustafson/jekyll-webmention_io) by [Aaron Gustafson](http://aaron-gustafson.com/): A plugin to enable [webmention](http://indiewebcamp.com/webmention) integration using [Webmention.io](http://webmention.io). Includes an optional JavaScript for updating webmentions automatically between publishes and, if available, in realtime using WebSockets.
 
 #### Collections