Index: trunk/docs/conf.py
===================================================================
--- trunk/docs/conf.py	(revision 151)
+++ trunk/docs/conf.py	(revision 152)
@@ -241,9 +241,9 @@
 
 # The scheme of the identifier. Typical schemes are ISBN or URL.
-#epub_scheme = ''
+epub_scheme = 'URL'
 
 # The unique identifier of the text. This can be a ISBN number
 # or the project homepage.
-#epub_identifier = ''
+epub_identifier = 'http://zoo-project.org'
 
 # A unique identification for the text.