[gnome-shell] Change a translator comment to be less ambiguous

[Florian Müllner <fmuellner src gnome org>]

commit cff9eaf5aa8b903e50b9471c271df33a6e84eb30
Author: Carmen Bianca Bakker <carmen carmenbianca eu>
Date:   Mon Oct 15 16:43:36 2018 +0200

    Change a translator comment to be less ambiguous
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/666

 js/ui/dateMenu.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/dateMenu.js b/js/ui/dateMenu.js
index 60f5bdc45..0497d6eee 100644
--- a/js/ui/dateMenu.js
+++ b/js/ui/dateMenu.js
@@ -69,7 +69,9 @@ var TodayButton = new Lang.Class({
         this._dayLabel.set_text(date.toLocaleFormat('%A'));
 
         /* Translators: This is the date format to use when the calendar popup is
-         * shown - it is shown just below the time in the shell (e.g. "Tue 9:29 AM").
+         * shown - it is shown just below the time in the top bar (e.g.,
+         * "Tue 9:29 AM").  The string itself should become a full date, e.g.,
+         * "February 17 2015".
          */
         let dateFormat = Shell.util_translate_time_string (N_("%B %e %Y"));
         this._dateLabel.set_text(date.toLocaleFormat(dateFormat));