diff --git a/dictionaries/errors.php b/dictionaries/errors.php
index e94c482178a77c318903743d5575f3f8b109be4f..ab89b8f9b52566ed0b73be3199172f7461e566c6 100644
--- a/dictionaries/errors.php
+++ b/dictionaries/errors.php
@@ -40,7 +40,7 @@ $lang = array(
 		'descr_NORELAYSTATE' => 'The initiator of this request did not provide an RelayState parameter, that tells where to go next.',
 		
 		'title_NOSESSION' => 'No session found',
-		'descr_NOSESSION' => 'Unfortuneately we could not get your session. This could be because your browser do not support cookies, or cookies is disabled.',
+		'descr_NOSESSION' => 'Unfortuneately we could not get your session. This could be because your browser do not support cookies, or cookies is disabled. Or may be your session timed out because you let the browser open for a long time.',
 		
 		'title_PROCESSASSERTION' =>	'Error processing response from IdP',
 		'descr_PROCESSASSERTION' =>	'We did not accept the response sent from the Identity Provider.',