[nautilus] properties-window: add comments for translators

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit 959ef42c10ef68f1bcb6f7bdbfea744f214c0d7f
Author: Carlos Soriano <csoriano gnome org>
Date:   Thu Mar 3 10:27:07 2016 +0100

    properties-window: add comments for translators
    
    First, Second, Third were lacking context.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762851

 src/resources/ui/nautilus-preferences-window.ui |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/resources/ui/nautilus-preferences-window.ui b/src/resources/ui/nautilus-preferences-window.ui
index 5221a79..78fe990 100644
--- a/src/resources/ui/nautilus-preferences-window.ui
+++ b/src/resources/ui/nautilus-preferences-window.ui
@@ -422,7 +422,7 @@ More information will appear when zooming closer.</property>
                       <object class="GtkLabel" id="label9">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
-                        <property name="label" translatable="yes">Second</property>
+                        <property name="label" translatable="yes" comments="Translators: This is an ordinal 
number">Second</property>
                         <property name="xalign">1</property>
                         <style>
                           <class name="dim-label"/>
@@ -437,7 +437,7 @@ More information will appear when zooming closer.</property>
                       <object class="GtkLabel" id="label11">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
-                        <property name="label" translatable="yes">Third</property>
+                        <property name="label" translatable="yes" comments="Translators: This is an ordinal 
number">Third</property>
                         <property name="xalign">1</property>
                         <style>
                           <class name="dim-label"/>
@@ -452,7 +452,7 @@ More information will appear when zooming closer.</property>
                       <object class="GtkLabel" id="label8">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
-                        <property name="label" translatable="yes">First</property>
+                        <property name="label" translatable="yes" comments="Translators: This is an ordinal 
number">First</property>
                         <property name="xalign">1</property>
                         <style>
                           <class name="dim-label"/>