diff -r 4093d547c011 -r 6d554a18b81e slides01.tex
--- a/slides01.tex	Sun Sep 30 00:02:42 2012 +0100
+++ b/slides01.tex	Sun Sep 30 00:06:52 2012 +0100
@@ -213,7 +213,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \mode<presentation>{
 \begin{frame}[t]
-\frametitle{\begin{tabular}{c}A Web Crawler\end{tabular}}
+\frametitle{\begin{tabular}{c}A Web-Crawler\end{tabular}}
 
 \mbox{}\\[10mm]
 
@@ -229,7 +229,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \mode<presentation>{
 \begin{frame}[t]
-\frametitle{\begin{tabular}{c}A Web Crawler\end{tabular}}
+\frametitle{\begin{tabular}{c}A Web-Crawler\end{tabular}}
 
 \mbox{}\\[10mm]