Updated policy GUI documentation

Updated policy GUI documentation
-------------------------------------------------------------

Issue-Id: POLICY-335

Change-Id: I293cb0562cb00f890ca4a615f91c367a3adae2a1
Signed-off-by: Saryu Shah <ss3917@att.com>
diff --git a/docs/platform/policygui.rst b/docs/platform/policygui.rst
index af98165..648133f 100644
--- a/docs/platform/policygui.rst
+++ b/docs/platform/policygui.rst
@@ -85,8 +85,8 @@
 POLICY PDP
 ^^^^^^^^^^
 
-| The POLICY **PDP** tab is used to manage **PDP Groups**.  
-| This tab provides the capability to create, edit and delete PDP groups.  This tab also provides the ability to check status and view policies in a PDP groups.
+| The POLICY **PDP** tab is used to manage **PDP Groups** and **PDPs in the group**.  
+| This tab provides the capability to create, edit and delete PDP groups and associated PDPs.  This tab also provides the ability to check status and view policies in a PDP groups.
 
 .. image:: PolicyGUI_PDP.png