--- a/web/traductions/ja.php	Mon Nov 25 19:18:23 2013 +0100
+++ b/web/traductions/ja.php	Mon Nov 25 22:28:08 2013 +0100
@@ -177,7 +177,7 @@
 		"archive_description" => "archive description",
 		
 		"hashtag_help" => "Hashtag used by Polemictweet to display the realtime timeline (format: #hashtag).",
-		"title_help" => "Title of the event as displayed in the browser title bar, under the video player during the live and on the left of the video player after the event.",
+		"title_help" => "Title of the event as displayed in the browser title bar, under the video player during the live and on the left of the video player after the event. This field is compulsory.",
 		"abstract_help" => "A short description of the event displayed on the home page's slider. Can contain HTML code.",
 		"description_help" => "The program displayed under the live player and on the left of the replay player. Can contain HTML code.",
 		"link_help" => "Program URL, displayed when clicking on “Programme” in the page header.",
@@ -192,6 +192,7 @@
 		"archive_title_help" => "Title of the archive.",
 		"archive_description_help" => "Description of the archive.",
 		
+		"Event_error_empty_title" => "Error, the event title is empty.",
 		"Event_recorded_message" => "Your event as been correctly recorded. Contact <a href=\"mailto:contact@iri.centrepompidou.fr\">us</a> to publish it on Polemictweet.",
 		"Event_confirm_delete_archive" => "Are your sure to delete the event configuration ?",