[gnome-initial-setup] Add a translator comment

[Matthias Clasen <matthiasc src gnome org>]

commit c9615b1c3af495edd48c3858bf9db156381fabf2
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 13 12:32:06 2016 -0400

    Add a translator comment
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762159

 .../pages/language/gis-welcome-widget.c            |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gnome-initial-setup/pages/language/gis-welcome-widget.c 
b/gnome-initial-setup/pages/language/gis-welcome-widget.c
index f02fc5e..87b28d4 100644
--- a/gnome-initial-setup/pages/language/gis-welcome-widget.c
+++ b/gnome-initial-setup/pages/language/gis-welcome-widget.c
@@ -116,6 +116,10 @@ welcome (const char *locale_id)
 
   current_locale_id = g_strdup (setlocale (LC_MESSAGES, NULL));
   setlocale (LC_MESSAGES, locale_id);
+  /* Translators: This is meant to be a warm, engaging welcome message,
+   * like greeting somebody at the door. If the exclamation mark is not
+   * suitable for this in your language you may replace it.
+   */
   welcome = _("Welcome!");
   setlocale (LC_MESSAGES, current_locale_id);
   g_free (current_locale_id);