doc(tutorials): reword

doc/tutorials/museum/index.rst

@@ -21,9 +21,9 @@ more data, and how to serialize them in RDF.
 At the end of this tutorial, you will have a website giving information about all France's
 museums, describes them in RDF and present them on a map.
 
-You can find the code of the finished tutorial in our forge_.
+You can find the code of the finished tutorial in our forge, look for the cube tuto_.
 
-.. _forge: https://forge.extranet.logilab.fr/cubicweb/cubes/tuto/
+.. _tuto: https://forge.extranet.logilab.fr/cubicweb/cubes/tuto/
 
 .. toctree::
    :maxdepth: 2