diff -r b6f00889355c -r 5bd914ebf3ae doc/book/intro/concepts.rst
--- a/doc/book/intro/concepts.rst	Thu Jan 08 23:00:56 2015 +0100
+++ b/doc/book/intro/concepts.rst	Tue Jun 23 17:04:40 2015 +0200
@@ -54,7 +54,7 @@
 repository. For applications that support high traffic, several web (front-end)
 and data (back-end) instances can be set-up to share the load.
 
-.. image:: ../images/archi_globale_en.png
+.. image:: ../../images/archi_globale_en.png
 
 The command :command:`cubicweb-ctl list` also displays the list of instances
 installed on your system.