[PATCH stable] debugsuccessorssets: fix typos in docstring

[Wagner Bruna]

# HG changeset patch
# User Wagner Bruna <wbruna at softwareexpress.com.br>
# Date 1358783234 7200
# Branch stable
# Node ID f018596b8a74c8c600e975ca4b540abbff547fc8
# Parent  bffb8843c624e6c16413e01495a1016360fcc138
debugsuccessorssets: fix typos in docstring

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -2473,13 +2473,13 @@ def debugsuccessorssets(ui, repo, *revs)
     succeed A. It contains non-obsolete changesets only.
 
     In most cases a changeset A has a single successors set containing a single
-    successors (changeset A replaced by A').
+    successor (changeset A replaced by A').
 
     A changeset that is made obsolete with no successors are called "pruned".
     Such changesets have no successors sets at all.
 
     A changeset that has been "split" will have a successors set containing
-    more than one successors.
+    more than one successor.
 
     A changeset that has been rewritten in multiple different ways is called
     "divergent". Such changesets have multiple successor sets (each of which