--- a/presentations/least-square.tex	Fri Apr 16 12:25:39 2010 +0530
+++ b/presentations/least-square.tex	Fri Apr 16 12:30:22 2010 +0530
@@ -150,9 +150,7 @@
 
 \begin{frame}[fragile]
   \frametitle{Summary}
-  \begin{block}{}
-        
-  \end{block}
+    Obtaining the least fit curve from a data set
 \end{frame}
 
 \begin{frame}