link to the tutorial

content/index.txt

@@ -9,8 +9,8 @@ with most focus on quantum transport.  It is designed to be flexible, easy to
 use, while not sacrificing performance.
 
 Its flexibility is illustrated below by showcasing some of its applications. How
-easy it is to use is shown in the tutorial, and finally its performance was
-carefully tested.
+easy it is to use is shown in the `tutorial </docs/tutorial/>`_, and finally its
+performance was carefully tested.
 
 .. image:: collage.png
    :scale: 30%