--- a/handouts/ho09.tex	Thu Oct 08 18:46:15 2015 +0100
+++ b/handouts/ho09.tex	Tue Oct 13 03:45:37 2015 +0100
@@ -8,6 +8,9 @@
 \begin{document}
 \fnote{\copyright{} Christian Urban, 2014}
 
+%% why are shuttle flights so good with software
+%%http://www.fastcompany.com/28121/they-write-right-stuff
+
 \section*{Handout 9 (Static Analysis)}
 
 If we want to improve the safety and security of our programs,