--- a/handouts/ho03.tex	Fri May 06 13:15:08 2016 +0100
+++ b/handouts/ho03.tex	Wed Jun 01 13:04:21 2016 +0100
@@ -6,6 +6,7 @@
 
 %https://pentestn00b.wordpress.com/safe-to-hack-sites/
 %http://pastebin.com/raw/0SNSvyjJ
+%http://seclists.org/oss-sec/2016/q1/645
 
 \begin{document}
 \fnote{\copyright{} Christian Urban, King's College London, 2014, 2015, 2016}