--- a/slides/slides05.tex	Sat Oct 26 00:49:14 2013 +0100
+++ b/slides/slides05.tex	Sat Oct 26 01:02:59 2013 +0100
@@ -362,7 +362,7 @@
 \mode<presentation>{
 \begin{frame}[c]
 
-\mbox{\lstinputlisting[language=while]{../progs/loops.while}}
+\mbox{\lstinputlisting[language=while]{../progs/collatz.while}}
 
 \begin{textblock}{6}(10,2)
 \begin{tikzpicture}[scale=0.46]