diff -r 18c7bfb8ed37 -r 345b307635fa plotting-script.txt
--- a/plotting-script.txt	Sat Apr 10 15:09:04 2010 +0530
+++ b/plotting-script.txt	Sat Apr 10 15:22:35 2010 +0530
@@ -1,7 +1,7 @@
 **********************************************************************************
 Hello friends and welcome to the second tutorial in the series of spoken tutorials on Python for Scientific computing. 
 
-In the previous tutorial we learnt how to obtain basic plots by plotting a set of points. 
+In the previous tutorial we learnt how to obtain basic plots using a set of points. 
 We plot experimental data more often that we plot mathematical curves. 
 So here we shall learn how to plot experimental data.