diff -r a8be8dfe5d99 -r 5f3121c3341c hgext/evolve.py
--- a/hgext/evolve.py	Mon Feb 04 17:41:35 2013 +0100
+++ b/hgext/evolve.py	Mon Feb 04 17:45:22 2013 +0100
@@ -1239,7 +1239,7 @@
 
 @command('^prune|obsolete|kill',
     [('n', 'new', [], _("successor changeset")),
-     ('r', 'rev', [], _("revisions to fold"))],
+     ('r', 'rev', [], _("revisions to prune"))],
     _('[OPTION] [-r] REV...'))
 def kill(ui, repo, *revs, **opts):
     """mark a changeset as obsolete