--- a/tests/test-evolve.t	Mon Feb 04 18:44:40 2013 +0100
+++ b/tests/test-evolve.t	Mon Feb 04 22:04:50 2013 +0100
@@ -58,7 +58,8 @@
   $ hg log -r 1 --template '{rev} {phase} {obsolete}\n'
   1 public stable
   $ hg kill 1
-  abort: cannot obsolete immutable changeset: 7c3bad9141dc
+  abort: cannot prune immutable changeset: 7c3bad9141dc
+  (see "hg help phases" for details)
   [255]
   $ hg log -r 1 --template '{rev} {phase} {obsolete}\n'
   1 public stable