[banshee] i18n: Fix some strings and add a few translator comments

[Bertrand Lorentz <blorentz src gnome org>]

commit edeabaad9af0338c1de0feea9c0920bd27421bd7
Author: Bertrand Lorentz <bertrand lorentz gmail com>
Date:   Tue Apr 3 20:58:00 2012 +0200

    i18n: Fix some strings and add a few translator comments

 .../Banshee.OpticalDisc.Dvd/DvdSource.cs           |    2 +-
 .../Banshee.OpticalDisc/DiscSource.cs              |    4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc.Dvd/DvdSource.cs b/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc.Dvd/DvdSource.cs
index 45cfca6..461591d 100644
--- a/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc.Dvd/DvdSource.cs
+++ b/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc.Dvd/DvdSource.cs
@@ -35,7 +35,7 @@ namespace Banshee.OpticalDisc.Dvd
     public class DvdSource : DiscSource, IBasicPlaybackController
     {
         public DvdSource (DiscService service, DvdModel model)
-            : base (service, (DiscModel) model, Catalog.GetString ("Dvd"), model.Title, 58)
+            : base (service, (DiscModel) model, Catalog.GetString ("DVD"), model.Title, 58)
         {
             TypeUniqueId = "";
 
diff --git a/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc/DiscSource.cs b/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc/DiscSource.cs
index ddc74c5..9f2321b 100644
--- a/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc/DiscSource.cs
+++ b/src/Extensions/Banshee.OpticalDisc/Banshee.OpticalDisc/DiscSource.cs
@@ -150,7 +150,8 @@ namespace Banshee.OpticalDisc
             eject_message.FreezeNotify ();
             eject_message.IsSpinning = true;
             eject_message.CanClose = false;
-            eject_message.Text = Catalog.GetString (String.Format ("Ejecting {0}...", GenericName.ToLower ()));
+            // Translators: {0} is the type of disc, "Audio CD" or "DVD"
+            eject_message.Text = String.Format (Catalog.GetString ("Ejecting {0}..."), GenericName.ToLower ());
             eject_message.ThawNotify ();
             PushMessage (eject_message);
 
@@ -168,6 +169,7 @@ namespace Banshee.OpticalDisc
                         ClearMessages ();
                         eject_message.IsSpinning = false;
                         eject_message.SetIconName ("dialog-error");
+                        // Translators: {0} is the type of disc, "Audio CD" or "DVD". {1} is the error message.
                         eject_message.Text = String.Format (Catalog.GetString ("Could not eject {0}: {1}"), GenericName.ToLower (), e.Message);
                         PushMessage (eject_message);