--- a/doc/book/en/A02a-create-cube.en.txt	Mon Dec 22 13:23:27 2008 -0800
+++ b/doc/book/en/A02a-create-cube.en.txt	Mon Dec 22 13:54:57 2008 -0800
@@ -8,7 +8,9 @@
 
   cubicweb-ctl newcube blog
 
-This will create in ``/path/to/forest/cubes`` a directory named ``blog`` containing::
+This will create in the cubes directory (``/path/to/forest/cubes`` for Mercurial
+installation, ``/usr/share/cubicweb/cubes`` for debian packages installation) 
+a directory named ``blog`` containing::
 
   blog/
   |

--- a/doc/book/en/A03a-concepts.en.txt	Mon Dec 22 13:23:27 2008 -0800
+++ b/doc/book/en/A03a-concepts.en.txt	Mon Dec 22 13:54:57 2008 -0800
@@ -77,7 +77,9 @@
   A cube is a model grouping one or multiple data types and/or views
   to provide a specific functionnality or a complete `CubicWeb` application
   potentially using other cubes. The available subes are located in the file
-  system at `/path/to/forest/cubicweb/cubes`.
+  system at `/path/to/forest/cubicweb/cubes` for a Mercurial forest installation,
+  for a debian packages installation they will be located in 
+  `/usr/share/cubicweb/cubes`.
   Larger applications can be built faster by importing cubes,
   adding entities and relationships and overriding the
   views that need to display or edit informations not provided by

--- a/doc/book/en/C012-create-instance.en.txt	Mon Dec 22 13:23:27 2008 -0800
+++ b/doc/book/en/C012-create-instance.en.txt	Mon Dec 22 13:54:57 2008 -0800
@@ -22,8 +22,10 @@
 What is a cube?
 ---------------
 
-A cube defines entities, their views, their schems and workflows
-in an independant directory located in ``/path/to/forest/cubicweb/cubes/``.
+A cube defines entities, their views, their schemas and workflows
+in an independant directory located in ``/path/to/forest/cubicweb/cubes/``
+for a Mercurila installation or in ``/usr/share/cubicweb/cubes`` for
+a debian packages installation.
 
 When an instance is created, you list one or more cubes that your instance
 will use. Use a cube means having the entities defined in your cube's schema

--- 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.