diff -r 2ee0ef069fa7 -r 2a3c1b787688 doc/book/en/tutorials/advanced/part02_security.rst
--- a/doc/book/en/tutorials/advanced/part02_security.rst	Thu Feb 02 14:33:30 2012 +0100
+++ b/doc/book/en/tutorials/advanced/part02_security.rst	Mon Jan 23 13:25:02 2012 +0100
@@ -187,7 +187,7 @@
 
 .. sourcecode:: python
 
-    from cubicweb.selectors import is_instance
+    from cubicweb.predicates import is_instance
     from cubicweb.server import hook
 
     class SetVisibilityOp(hook.DataOperationMixIn, hook.Operation):