diff --git a/mozilla/webtools/graph/graph.cgi b/mozilla/webtools/graph/graph.cgi
index 24eb81e4d7f..66e6d7557a3 100755
--- a/mozilla/webtools/graph/graph.cgi
+++ b/mozilla/webtools/graph/graph.cgi
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # -*- Mode: perl; indent-tabs-mode: nil -*-
 use CGI::Carp qw(fatalsToBrowser);
-use CGI::Request;
+use CGI::Request; # http://stein.cshl.org/WWW/software/CGI::modules/
 use Date::Calc qw(Add_Delta_Days);  # http://www.engelschall.com/u/sb/download/Date-Calc/
 
 my $req = new CGI::Request;