[gnome-boxes] Fix typos in translator comment

[Christophe Fergeau <teuf src gnome org>]

commit f6482bd7643305606d49dc0ab8b9a09b4abaed3a
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Sun Mar 16 14:07:41 2014 +0100

    Fix typos in translator comment

 src/libvirt-system-importer.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libvirt-system-importer.vala b/src/libvirt-system-importer.vala
index e325ad2..94c0c4c 100644
--- a/src/libvirt-system-importer.vala
+++ b/src/libvirt-system-importer.vala
@@ -17,7 +17,7 @@ private class Boxes.LibvirtSystemImporter: GLib.Object {
             if (num_domains == 1)
                 return _("Import '%s' from system broker").printf (domains.data.get_name ());
             else
-                // Translators: %u here is number of boxes availble for import
+                // Translators: %u here is the number of boxes available for import
                 return ngettext ("Import %u box from system broker",
                                  "Import %u boxes from system broker",
                                  num_domains).printf (num_domains);
@@ -31,7 +31,7 @@ private class Boxes.LibvirtSystemImporter: GLib.Object {
             if (num_domains == 1)
                 return _("Will import '%s' from system broker").printf (domains.data.get_name ());
             else
-                // Translators: %u here is number of boxes availble for import
+                // Translators: %u here is the number of boxes available for import
                 return ngettext ("Will import %u box from system broker",
                                  "Will import %u boxes from system broker",
                                  num_domains).printf (num_domains);