--- a/doc/book/en/C013-cubicweb-ctl.en.txt	Mon Dec 22 13:23:27 2008 -0800
+++ b/doc/book/en/C013-cubicweb-ctl.en.txt	Mon Dec 22 13:54:57 2008 -0800
@@ -118,6 +118,8 @@
    cubicweb-ctl newcube <mycube>
 
 This will create a new cube in ``/path/to/forest/cubicweb/cubes/<mycube>``
-and then create an instance as explained just above.
+for a Mercurial forest installation, or in ``/usr/share/cubicweb/cubes``
+for a debian packages installation, and then create an instance as 
+explained just above.