--- a/day1/session2.tex	Sat Oct 31 01:33:41 2009 +0530
+++ b/day1/session2.tex	Wed Nov 04 09:40:28 2009 +0530
@@ -260,6 +260,7 @@
 \end{lstlisting}
 \end{frame}
 
+%% more on list slicing
 \begin{frame}[fragile]
 \frametitle{List operations}
 \begin{lstlisting}