[gnome-control-center] keyboard: Inform that 'backspace' is the clear key

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 7c405d77a7dc6c6193da0ad1b252c54ee3d4bb3f
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon May 1 20:51:48 2017 -0300

    keyboard: Inform that 'backspace' is the clear key
    
    The Keyboard shortcut editor dialog gives no clue on how
    to disable a shortcut, and users were confused by this
    lack of information.
    
    Fix that by informing the user about the Backspace role
    when editing a shortcut.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777401

 panels/keyboard/shortcut-editor.ui |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/panels/keyboard/shortcut-editor.ui b/panels/keyboard/shortcut-editor.ui
index 90100e7..74898ab 100644
--- a/panels/keyboard/shortcut-editor.ui
+++ b/panels/keyboard/shortcut-editor.ui
@@ -64,7 +64,8 @@
                           <object class="GtkLabel">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
-                            <property name="label" translatable="yes">Press Esc to cancel.</property>
+                            <property name="wrap">True</property>
+                            <property name="label" translatable="yes">Press Esc to cancel or Backspace to 
reset the keyboard shortcut.</property>
                             <style>
                               <class name="dim-label" />
                             </style>
@@ -313,7 +314,8 @@
                   <object class="GtkLabel">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
-                    <property name="label" translatable="yes">Press Esc to cancel.</property>
+                    <property name="wrap">True</property>
+                    <property name="label" translatable="yes">Press Esc to cancel or Backspace to reset the 
keyboard shortcut.</property>
                     <style>
                       <class name="dim-label" />
                     </style>