[gnome-maps] transitOptionsPanel: Add translator comments

[Marcus Lundblad <mlundblad src gnome org>]

commit 6a292c5ffd2252eff5b5b10dbf766e8bbc386768
Author: Marcus Lundblad <ml update uu se>
Date:   Sat Feb 18 22:47:56 2017 +0100

    transitOptionsPanel: Add translator comments
    
    https://bugzilla.gnome.org/show_bug.cgi?id=778891

 data/ui/transit-options-panel.ui |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/data/ui/transit-options-panel.ui b/data/ui/transit-options-panel.ui
index d4b82f5..1d449cd 100644
--- a/data/ui/transit-options-panel.ui
+++ b/data/ui/transit-options-panel.ui
@@ -15,9 +15,9 @@
         <property name="margin_top">4</property>
         <property name="margin_bottom">4</property>
         <items>
-          <item translatable="yes" id="leaveNow">Leave Now</item>
-          <item translatable="yes" id="leaveBy">Leave By</item>
-          <item translatable="yes" id="arriveBy">Arrive By</item>
+          <item translatable="yes" id="leaveNow" comments="Indicates searching for the next available 
itineraries">Leave Now</item>
+          <item translatable="yes" id="leaveBy" comments="Indicates searching for itineraries leaving at the 
specified time at the earliest">Leave By</item>
+          <item translatable="yes" id="arriveBy" comments="Indicates searching for itineraries arriving no 
later than the specified time">Arrive By</item>
         </items>
       </object>
       <packing>
@@ -103,7 +103,7 @@
           <object class="GtkLabel">
             <property name="visible">True</property>
             <property name="halign">GTK_ALIGN_START</property>
-            <property name="label" translatable="yes">Show</property>
+            <property name="label" translatable="yes" comments="Header indicating selected modes of 
transit">Show</property>
             <property name="margin_start">6</property>
             <style>
               <class name="dim-label"/>