[gnome-control-center] keyboard: allow shortcut explanation text to wrap

[Bastien Nocera <hadess src gnome org>]

commit b36685f9a8450fa68b4485c9fb2b62923da35403
Author: Frédéric Péters <fpeters 0d be>
Date:   Fri Sep 19 14:01:17 2014 +0200

    keyboard: allow shortcut explanation text to wrap
    
    https://bugzilla.gnome.org/show_bug.cgi?id=736966

 panels/keyboard/gnome-keyboard-panel.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/panels/keyboard/gnome-keyboard-panel.ui b/panels/keyboard/gnome-keyboard-panel.ui
index ccb1f59..2a0bbf6 100644
--- a/panels/keyboard/gnome-keyboard-panel.ui
+++ b/panels/keyboard/gnome-keyboard-panel.ui
@@ -704,6 +704,7 @@
                             <property name="label" translatable="yes">To edit a shortcut, click the row and 
hold down the new keys or press Backspace to clear.</property>
                             <property name="justify">fill</property>
                             <property name="wrap">True</property>
+                            <property name="max_width_chars">70</property>
                           </object>
                           <packing>
                             <property name="expand">True</property>