diff --git a/server.org b/server.org
index dde3bb7..f756bf2 100644
--- a/server.org
+++ b/server.org
@@ -101,6 +101,7 @@ yum install readline
 yum install tig
 yum install sbcl
 yum install fortune-mod
+yum install tidy
 #+end_src
 
 ** TODO Figure out mosh ports