[gnome-user-docs] Fixed ratio char to right Unicode

[Marek Černocký <mcernocky src gnome org>]

commit ad8b71bbea6ce9c016253b4e1c9bf0babfc0cc57
Author: Marek Černocký <marek manet cz>
Date:   Sat Oct 24 21:45:43 2015 +0200

    Fixed ratio char to right Unicode

 gnome-help/C/wacom-multi-monitor.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-help/C/wacom-multi-monitor.page b/gnome-help/C/wacom-multi-monitor.page
index f2f326c..2b8cd45 100644
--- a/gnome-help/C/wacom-multi-monitor.page
+++ b/gnome-help/C/wacom-multi-monitor.page
@@ -59,7 +59,7 @@
     match the drawing area of the tablet to the proportions of the monitor.
       This setting, also called <em>force proportions</em>,
       <em>letterboxes</em> the drawing area on a tablet to correspond more
-      directly to a display. For example, a 4:3 tablet would be mapped so that
+      directly to a display. For example, a 4∶3 tablet would be mapped so that
       the drawing area would correspond to a widescreen display.</p>
   </item>
   <item><p>Click <gui>Close</gui>.</p></item>