diff -r 91f93dcd72aa -r 883d28233a4d mercurial/revset.py
--- a/mercurial/revset.py	Sat Sep 17 17:30:35 2011 +0200
+++ b/mercurial/revset.py	Sat Sep 17 14:33:20 2011 +0200
@@ -242,6 +242,7 @@
 
     - ``range``      : all csets taking part in the bisection
     - ``pruned``     : good|bad|skip, excluding out-of-range csets
+    - ``untested``   : csets whose fate is yet unknown
     """
     status = getstring(x, _("bisect requires a string")).lower()
     return [r for r in subset if r in hbisect.get(repo, status)]