diff --git a/mod_bonjour.rb b/mod_bonjour.rb
index 0233f78..f661b78 100644
--- a/mod_bonjour.rb
+++ b/mod_bonjour.rb
@@ -11,6 +11,7 @@ def message; <<-EOS.undent
     end
   end
 
+  desc "Control websites registration with multicast DNS."
   homepage "http://www.opensource.apple.com/source/apache_mod_bonjour/apache_mod_bonjour-23/"
   url "http://www.opensource.apple.com/tarballs/apache_mod_bonjour/apache_mod_bonjour-23.tar.gz"
   version "2.3"