diff --git a/eo/tutorial/README b/eo/tutorial/README
index 8cf3e0c75..018d4c6bc 100644
--- a/eo/tutorial/README
+++ b/eo/tutorial/README
@@ -2,6 +2,12 @@ Eo Tutorial - corresponding to EO version 0.9.2
 
 To start the tutorial, read index.html in your favorite browser.
 
+WARNING: before that, you need to create a link from the html dir 
+to the main documentation directory of EO. Probably, you will need 
+to type something like
+.../eo/tutorial %        cd html
+.../eo/tutorial/html %   ln -s ../../doc .
+
 Many things are missing, including many solutions for the exercises, 
 the introduction to EC and most of the Bottom-Up pages.
 More important, all examples of this tutorial have only been tested