--- a/doc/book/en/A000-introduction.en.txt	Wed Apr 01 17:53:44 2009 -0700
+++ b/doc/book/en/A000-introduction.en.txt	Thu Apr 02 11:50:21 2009 -0700
@@ -1,5 +1,6 @@
 .. -*- coding: utf-8 -*-
 
+.. _Part1:
 
 ===================================
 Part I - Introduction to `CubicWeb`