--- a/docs/tutorials/tutorial.t	Sun May 06 03:27:45 2012 +0200
+++ b/docs/tutorials/tutorial.t	Tue May 08 20:50:43 2012 +0200
@@ -494,6 +494,7 @@
   added 1 changesets with 1 changes to 1 files (+1 heads)
   (run 'hg heads .' to see heads, 'hg merge' to merge)
   1 new unstables changesets
+  $ hg log -r 'extinct()'
   $ hg log
   9ac5d0e790a2 (draft): animals
   ffa278c50818 (draft): bathroom stuff