[gnome-user-docs] gnome-help: Updated C/shell-introduction.page

[Aruna Sankaranarayanan <arunasank src gnome org>]

commit b64beb7f946847d9e3a66aaaa35a88fff25b71ab
Author: Aruna Sankaranarayanan <arunasank src gnome org>
Date:   Sat Apr 6 16:02:10 2013 +0530

    gnome-help: Updated C/shell-introduction.page
    
    Updated help on activation of message tray by pushing mouse against
    the bottom of the screen.

 gnome-help/C/shell-introduction.page |   23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)
---
diff --git a/gnome-help/C/shell-introduction.page b/gnome-help/C/shell-introduction.page
index d95761a..434e653 100644
--- a/gnome-help/C/shell-introduction.page
+++ b/gnome-help/C/shell-introduction.page
@@ -40,11 +40,11 @@ When you first log in, you will see an empty desktop and the top bar.</p>
   <p>GNOME shell top bar</p>
 </media>
 
-<p>The top bar provides access to your windows and applications, your
-calendar and appointments, and <link xref="status-icons">system properties</link> like sound, networking,
-and power. Under your name in the top bar, you can set your availability,
-change your profile or settings, log out or switch users, or turn off your
-computer.</p>
+<p>The top bar provides access to your windows and applications, your calendar
+and appointments, and <link xref="status-icons">system properties</link> like
+sound, networking, and power. Under your name in the top bar, you can set your
+availability, change your profile or settings, log out or switch users, or turn
+off your computer.</p>
 
 <links type="section"/>
 
@@ -71,8 +71,8 @@ folders.</p>
 </media>
 
 <p>On the left of the overview, you will find the <em>dash</em>. The dash
-shows you your favorite and running applications. Click any icon in the
-dash to open that application; if the application is already running, it will be
+shows you your favorite and running applications. Click any icon in the dash to
+open that application; if the application is already running, it will be
 highlighted. Clicking its icon will bring up the most recently used window. You
 can also drag the icon to the overview, or onto any workspace on the right.</p>
 
@@ -188,10 +188,11 @@ and allows you to control media playback.</p>
 
 <section id="message-tray">
 <title>Message Tray</title>
-  <p>The message tray can be brought into view by moving your mouse into the
-  bottom-right corner, or by pressing
-  <keyseq><key>Super</key><key>M</key></keyseq>.  This is where your
-  notifications are stored until you are ready to view them.</p>
+
+<p>The message tray can be brought into view by pushing your mouse pointer
+against the bottom of the screen or by pressing
+<keyseq><key>Super</key><key>M</key></keyseq>. This is where your
+notifications are stored until you are ready to view them.</p>
 
 <list style="compact">
 <item><p><link xref="shell-notifications">Learn more about notifications and