[3.0] 2cfb4ee speling

[Tollef Fog Heen]

commit 2cfb4eeea720d1d3cbe7fdd61b52451fe17d86f7
Author: Per Buer <perbu at varnish-software.com>
Date:   Thu Jan 19 10:55:49 2012 +0100

    speling

diff --git a/doc/sphinx/tutorial/index.rst b/doc/sphinx/tutorial/index.rst
index 0bf3137..c3a05f5 100644
--- a/doc/sphinx/tutorial/index.rst
+++ b/doc/sphinx/tutorial/index.rst
@@ -14,7 +14,7 @@ separate topic. Good luck.
 
 .. toctree:: :maxdepth: 1
 
-        indroduction
+        introduction
 	backend_servers
         starting_varnish
 	logging