fixing link to tutorial

Author: dbu

index.html

@@ -49,7 +49,7 @@ <h2>When not to use PHPCR</h2>
             <li><a href="doc/html/index.html">API</a></li>
             <li><a href="http://phpcr.github.com/slides.html">Slides</a></li>
             <li><a href="http://phpcr.github.com/slides-odm.html">ODM Slides</a></li>
-            <li><a href="https://github.com/phpcr/phpcr-docs/blob/master/doc/Tutorial.md">Tutorial</a></li>
+            <li><a href="https://github.com/phpcr/phpcr-docs/blob/master/tutorial/Tutorial.md">Tutorial</a></li>
             <li><a href="https://github.com/phpcr/phpcr.github.com/wiki">Collaboration</a></li>
         </ul>