[PATCH] phases: mention how to make secret commits in help

[timeless]

# HG changeset patch
# User timeless <timeless at mozdev.org>
# Date 1450815022 0
#      Tue Dec 22 20:10:22 2015 +0000
# Node ID a9e8d6e4ef9b3c1b48f318f7b4d913dba729afc8
# Parent  3dea4eae4eebac11741f0c1dc5dcd9c88d8f4554
phases: mention how to make secret commits in help

diff --git a/mercurial/help/phases.txt b/mercurial/help/phases.txt
--- a/mercurial/help/phases.txt
+++ b/mercurial/help/phases.txt
@@ -28,6 +28,12 @@
 Phases can also be manually manipulated with the :hg:`phase` command
 if needed. See :hg:`help -v phase` for examples.
 
+To make yours commits secret by default, put this in your
+configuration file::
+
+  [phases]
+  new-commit = secret
+
 Phases and servers
 ==================