Merge lp:~petegordon007/ubuntu-docs/856677-link-to-quirk into lp:ubuntu-docs/precise

[PeteGordon]

Added a link to instructions for enabling middle-click using both mouse/touchpad buttons

=== modified file 'ubuntu-help/C/mouse-middleclick.page'
--- ubuntu-help/C/mouse-middleclick.page	2012-03-23 13:46:44 +0000
+++ ubuntu-help/C/mouse-middleclick.page	2012-03-24 23:43:18 +0000
@@ -24,12 +24,14 @@
 </info>
 
 <title>Middle-click</title>
-
+	
 <p>Many mice and some touchpads have a middle mouse button. On a mouse
 with a scroll wheel, you can usually press directly down on the scroll
 wheel to middle-click. If you don't have a middle mouse button, you
 can press the left and right mouse buttons at the same time to
-middle-click.</p>
+middle-click. If you find you are unable to middle-click this way you 
+can try following <link href="https://wiki.ubuntu.com/X/Quirks#A2-button_Mice">
+these instructions</link>.</p>
 
 <p>On touchpads that support multi-finger taps, you can tap with three
 fingers at once to middle-click. You have to
@@ -78,4 +80,5 @@
 <p>Some specialized applications allow you to use the middle mouse
 button for other functions. Search your application's help for
 <em>middle-click</em> or <em>middle mouse button</em>.</p>
+
 </page>