[gnome-control-center] mouse: add a label description for the 'Natural Scrolling' entries

[Felipe Borges <felipeborges src gnome org>]

commit 918a0e29826a43ab4e999194709d8a687383dfe6
Author: Felipe Borges <feborges redhat com>
Date:   Tue Nov 3 16:37:53 2015 +0100

    mouse: add a label description for the 'Natural Scrolling' entries
    
    https://bugzilla.gnome.org/show_bug.cgi?id=756863

 panels/mouse/gnome-mouse-properties.ui |   34 ++++++++++++++++++++++++++++++++
 1 files changed, 34 insertions(+), 0 deletions(-)
---
diff --git a/panels/mouse/gnome-mouse-properties.ui b/panels/mouse/gnome-mouse-properties.ui
index c83a7f4..e8128bf 100644
--- a/panels/mouse/gnome-mouse-properties.ui
+++ b/panels/mouse/gnome-mouse-properties.ui
@@ -275,6 +275,23 @@
                               </packing>
                             </child>
                             <child>
+                              <object class="GtkLabel" id="mouse-natural-scrolling-description">
+                                <property name="visible">True</property>
+                                <property name="can_focus">False</property>
+                                <property name="xalign">0</property>
+                                <property name="label" translatable="yes">Scrolling moves the content, not 
the view.</property>
+                                <style>
+                                  <class name="dim-label"/>
+                                </style>
+                              </object>
+                              <packing>
+                                <property name="left_attach">0</property>
+                                <property name="top_attach">1</property>
+                                <property name="width">1</property>
+                                <property name="height">1</property>
+                              </packing>
+                            </child>
+                            <child>
                               <object class="GtkSwitch" id="mouse-natural-scrolling-switch">
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
@@ -440,6 +457,23 @@
                                       </packing>
                                     </child>
                                     <child>
+                                      <object class="GtkLabel" id="touchpad-natural-scrolling-description">
+                                        <property name="visible">True</property>
+                                        <property name="can_focus">False</property>
+                                        <property name="xalign">0</property>
+                                        <property name="label" translatable="yes">Scrolling moves the 
content, not the view.</property>
+                                        <style>
+                                          <class name="dim-label"/>
+                                        </style>
+                                      </object>
+                                      <packing>
+                                        <property name="left_attach">0</property>
+                                        <property name="top_attach">1</property>
+                                        <property name="width">1</property>
+                                        <property name="height">1</property>
+                                      </packing>
+                                    </child>
+                                    <child>
                                       <object class="GtkSwitch" id="touchpad-natural-scrolling-switch">
                                         <property name="visible">True</property>
                                         <property name="can_focus">True</property>