[master] bf78ea9 typo. Thanks scoof

[Per Buer]

commit bf78ea99790454329cb2d72b7f4903a9cad123bc
Author: Per Buer <perbu at varnish-software.com>
Date:   Wed Jan 11 12:48:23 2012 +0100

    typo. Thanks scoof

diff --git a/doc/sphinx/tutorial/introduction.rst b/doc/sphinx/tutorial/introduction.rst
index 17d7b6a..0d43623 100644
--- a/doc/sphinx/tutorial/introduction.rst
+++ b/doc/sphinx/tutorial/introduction.rst
@@ -3,11 +3,11 @@
 What is Varnish?
 ----------------
 
-Varnish Cache is a Varnish Cache is a web application accelerator also
-known as a caching HTTP reverse proxy. You install it in front of any
-server that speaks HTTP and configure it to cache the
-contents. Varnish Cache is really, really fast. It typically speeds up
-delivery with a factor of 300 - 1000x, depending on your architecture.
+Varnish Cache is a web application accelerator also known as a caching
+HTTP reverse proxy. You install it in front of any server that speaks
+HTTP and configure it to cache the contents. Varnish Cache is really,
+really fast. It typically speeds up delivery with a factor of 300 -
+1000x, depending on your architecture.
 
 
 Performance