diff -r 578db74dfea0 -r 4dea7c5e1bf5 day1/session6.tex
--- a/day1/session6.tex	Wed Oct 21 12:34:03 2009 +0530
+++ b/day1/session6.tex	Wed Oct 21 16:57:28 2009 +0530
@@ -197,7 +197,7 @@
 \begin{frame}[fragile]
 \frametitle{Bisection Method}
 \begin{enumerate}
-\item Start with an interval $(a, b)$ within wphich a root exists
+\item Start with an interval $(a, b)$ within which a root exists
 \item $f(a)\cdot f(b) < 0$
 \item Bisect the interval. $c = \frac{a+b}{2}$
 \item Change the interval to $(a, c)$ if $f(a)\cdot f(c) < 0$