Added URL of Libassuan to comment.

diff --git a/lisp/rubyserv.rb b/lisp/rubyserv.rb
index d3a82ff..027e552 100644 (file)
--- a/lisp/rubyserv.rb
+++ b/lisp/rubyserv.rb
@@ -1,5 +1,6 @@
 # A simple IPC server for executing arbitrary Ruby program.
 # The protocol is based on Assuan protocol of GnuPG.
+# http://www.gnupg.org/(en)/related_software/libassuan/index.html
 
 require 'thread'
 require 'stringio'