[pitivi] help: update The toolbars section in mainwindow.page

[Jean-François Fortin Tam <jfft src gnome org>]

commit a868c1b7be9ebf4906648781b4e7407c7838610d
Author: Tomas Karger <tomkarger gmail com>
Date:   Fri Jan 31 16:04:15 2014 +0100

    help: update The toolbars section in mainwindow.page

 help/C/mainwindow.page |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/help/C/mainwindow.page b/help/C/mainwindow.page
index e4ad468..993d277 100644
--- a/help/C/mainwindow.page
+++ b/help/C/mainwindow.page
@@ -39,8 +39,10 @@
 
     <section>
      <title>The toolbars</title>
-      <p>Toolbars provide access to the most commonly used functions of <app>Pitivi</app>. All items in 
toolbars can also be accessed through the menu bar. Toolbars can be activated or deactivated in the 
<gui>View</gui> menu.</p>
+      <p> There are three toolbars in the <app>Pitivi</app> main window: the <gui>Main toolbar</gui>, the 
<gui>Playback toolbar</gui> and the <gui>Timeline toolbar</gui>. These provide access to the most commonly 
used functions of <app>Pitivi</app>. All items in toolbars can also be accessed through the menu bar. 
Toolbars can be activated or deactivated in the <gui>View</gui> menu.</p>
+      <note style="tip">
       <p>You can hover the mouse cursor over a toolbar item to reveal an information tooltip regarding its 
function.</p>
+      </note>
       <figure>
         <media type="image" src="figures/hovering.png" mime="image/png" style="right"></media>
       </figure>