diff --git a/README.md b/README.md
index 5e385a9..cb228fb 100644
--- a/README.md
+++ b/README.md
@@ -678,7 +678,8 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 * [MDwiki](http://dynalon.github.io/mdwiki/#!index.md) - Wiki completely built in HTML5/Javascript and runs 100% on the client
 * [Mediawiki](http://www.mediawiki.org/wiki/MediaWiki) - Used to power Wikipedia.
 * [MoinMoin](http://moinmo.in/) - An advanced, easy to use and extensible WikiEngine with a large community of users.
-* [Ōlelo Wiki](https://github.com/minad/olelo) - A a wiki that stores pages in a Git repository.
+* [Ōlelo Wiki](https://github.com/minad/olelo) - A wiki that stores pages in a Git repository.
+* [PmWiki](http://www.pmwiki.org) - Wiki-based system for collaborative creation and maintenance of websites.
 * [TiddlyWiki](http://tiddlywiki.com) - Complete interactive wiki in JavaScript.
 
 # Resources