[gnome-boxes] Add parenthesis around "Click on items to select them"

[Alexander Larsson <alexl src gnome org>]

commit 821956db6bb9958be47b13c3c02b9f592392c91d
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Oct 25 20:41:41 2012 +0200

    Add parenthesis around "Click on items to select them"
    
    This is what gnome-documents does in the selection toolbar.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=686883

 src/topbar.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/topbar.vala b/src/topbar.vala
index 272ede7..1cc29ab 100644
--- a/src/topbar.vala
+++ b/src/topbar.vala
@@ -132,7 +132,7 @@ private class Boxes.Topbar: Boxes.UI {
             // when the main collection view is in selection mode.
             selection_toolbar.set_labels (ngettext ("%d selected", "%d selected", items).printf (items), null);
         else
-            selection_toolbar.set_labels (null, _("Click on items to select them"));
+            selection_toolbar.set_labels (null, _("(Click on items to select them)"));
     }
 
     public override void ui_state_changed () {