[gnome-user-docs] Update to power-settings.page

[Aruna Sankaranarayanan <arunasank src gnome org>]

commit 4c3c33a4e993c1c5e56e4a77a264d47c87430f87
Author: Aruna Sankaranarayanan <arunasank src gnome org>
Date:   Wed Apr 10 18:41:40 2013 +0530

    Update to power-settings.page
    
    Updated the help to include new gsettings keys.

 system-admin-guide/C/power-settings.page |   26 +++++++++++++++++++-------
 1 files changed, 19 insertions(+), 7 deletions(-)
---
diff --git a/system-admin-guide/C/power-settings.page b/system-admin-guide/C/power-settings.page
index 37bdeeb..bf44722 100644
--- a/system-admin-guide/C/power-settings.page
+++ b/system-admin-guide/C/power-settings.page
@@ -23,12 +23,24 @@
      enforce system-wide custom values for gsettings keys.</p>
   </comment>
 
-  <p>System-wide power management settings are controlled by gsettings keys.
-   For instance, <em>dim screens after X minutes</em> is controlled by the
-   <file>org.gnome.settings-daemon.plugins.power.idle-dim-time</file>,
-   <file>org.gnome.settings-daemon.plugins.power.idle-dim-ac</file>
-   and
-   <file>org.gnome.settings-daemon.plugins.power.idle-dim-battery</file>
-   gsettings keys.</p>
+   <p>Power management settings are controlled by gsettings keys. For
+   instance, <em>dim screens after X minutes</em> is controlled by the
+   following gsettings keys:</p>
+   <terms>
+     <item>
+       <title><cmd>org.gnome.settings-daemon.plugins.power.idle-brightness</cmd></title>
+       <p>Controls the brightness level to be used when the machine has been
+       idle for some time.</p>
+     </item>
+     <item>
+       <title><cmd>org.gnome.settings-daemon.plugins.power.idle-dim</cmd></title>
+       <p>Sets the drop in the brightness level when the machine is idle.</p>
+     </item>
+     <item>
+       <title><cmd>org.gnome.desktop.session.idle-delay</cmd></title>
+       <p>Sets the idle time after which the screen must be blanked and the
+       default screensaver displayed.</p>
+     </item>
+   </terms>
 
 </page>