The following broken link is currently listed against this project on www.jboss.org/projects.
https://community.jboss.org/en/mod_cluster/dev - Dev Forum
http://hudson.qa.jboss.com/hudson/view/mod_cluster/view/mod_cluster - Build/Jenkins
If you maintain a project.properties file that you have told the jboss.org team about, then you just need to fix it in there and the change will be reflected on the site. Otherwise, you need to update the data on this project's Magnolia page.