[orca/gnome-3-12] Add a brief explanation to the live regions commands documentation

[Joanmarie Diggs <joanied src gnome org>]

commit 56e9461b60b5c9f22a6ecff6aaaa76e391c40c6f
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Mar 28 10:05:24 2014 -0400

    Add a brief explanation to the live regions commands documentation

 help/C/commands_live_regions.page |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/help/C/commands_live_regions.page b/help/C/commands_live_regions.page
index 23d08d2..5d55a10 100644
--- a/help/C/commands_live_regions.page
+++ b/help/C/commands_live_regions.page
@@ -18,6 +18,10 @@
     </license>
   </info>
   <title>Live Region Commands</title>
+  <p>
+    The following commands can be used to access dynamically-updated
+    content on web pages which have been made accessible through ARIA.
+  </p>
   <list>
     <item>
       <p>