--- a/doc/book/en/intro/index.rst	Mon Oct 19 18:36:20 2009 +0200
+++ b/doc/book/en/intro/index.rst	Mon Oct 19 11:23:29 2009 -0700
@@ -13,6 +13,7 @@
 
 .. toctree::
    :maxdepth: 2
+   :numbered:
 
    book-map
    history