[PATCH 1 of 4] help/config: fix 'Mercurial' casing

[Wagner Bruna]

# HG changeset patch
# User Wagner Bruna <wbruna at softwareexpress.com.br>
# Date 1308238244 10800
# Node ID a0a87a26e7712ae672b28099195baab3c4e24094
# Parent  cdda48c9367610c9b5218bef4e5d2fdc599a7c19
help/config: fix 'Mercurial' casing

diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -99,7 +99,7 @@ they are treated as continuations of tha
 removed from values. Empty lines are skipped. Lines beginning with
 ``#`` or ``;`` are ignored and may be used to provide comments.
 
-Configuration keys can be set multiple times, in which case mercurial
+Configuration keys can be set multiple times, in which case Mercurial
 will use the value that was configured last. As an example::
 
     [spam]