--- a/mod_proctitle/mod_proctitle.lua	Tue Apr 28 20:35:25 2015 -0500
+++ b/mod_proctitle/mod_proctitle.lua	Tue Apr 28 20:47:58 2015 -0500
@@ -3,6 +3,8 @@
 --
 -- This file is MIT/X11 licensed.
 
+-- To use this module, you'll need the proctitle Lua library:
+-- https://github.com/hoelzro/lua-proctitle
 local proctitle = require 'proctitle';
 
 proctitle 'prosody';