[PATCH 1 of 3 stable] help: fix typos in txnclose and txnabort documentation

[Wagner Bruna]

# HG changeset patch
# User Wagner Bruna <wbruna at yahoo.com>
# Date 1429660865 10800
#      Tue Apr 21 21:01:05 2015 -0300
# Branch stable
# Node ID abe835fc4a797c1b0c8c122e0f70ccfee8796e0a
# Parent  8e9f8d2a2c0cde933eae107efb03c66efbd93c69
help: fix typos in txnclose and txnabort documentation

diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -830,11 +830,11 @@
 ``txnclose``
   Run after any repository transaction has been committed. At this
   point, the transaction can no longer be rolled back. The hook will run
-  after the lock is released. see ``pretxnclose`` docs for details about
+  after the lock is released. See ``pretxnclose`` docs for details about
   available variables.
 
 ``txnabort``
-  Run when a transaction is aborted. see ``pretxnclose`` docs for details about
+  Run when a transaction is aborted. See ``pretxnclose`` docs for details about
   available variables.
 
 ``pretxnchangegroup``