Fixed typo in example code; spotted by Everett Lipman
<lipman@sphere.niddk.nih.gov>.
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index ead1be4..7e3dd80 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -2538,7 +2538,7 @@
 ...     print '%-10s ==> %10d' % (name, phone)
 ... 
 Jack       ==>       4098
-Dcab       ==>    8637678
+Dcab       ==>       7678
 Sjoerd     ==>       4127
 \end{verbatim}