[PATCH stable] help/config: fix help command markup

[Wagner Bruna]

# HG changeset patch
# User Wagner Bruna <wbruna at softwareexpress.com.br>
# Date 1327675933 7200
# Branch stable
# Node ID bbb3f173c390a52b1d0e7e82e92656fcc5a2f3c9
# Parent  fcf66193b18699141e1da1ef4de4795d62a658cb
help/config: fix help command markup

diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -918,7 +918,7 @@ the following entries.
 ``phases``
 """"""""""
 
-Specifies default handling of phases. See :hg:'help phases' for more
+Specifies default handling of phases. See :hg:`help phases` for more
 information about working with phases.
 
 ``publish``