--- a/day1/session5.tex	Tue Jan 12 19:05:09 2010 +0530
+++ b/day1/session5.tex	Thu Jan 21 15:26:11 2010 +0530
@@ -135,7 +135,7 @@
     \end{block}
   \end{columns}
   \begin{block}{Problem Statement}
-    Tweak above code to plot data in file 'location.txt'.
+    Tweak above code to plot data in file `pos.txt'.
   \end{block}
 \end{frame}