diff --git a/centreon-plugins/apps/monitoring/quanta/restapi/mode/webscenariosavailability.pm b/centreon-plugins/apps/monitoring/quanta/restapi/mode/webscenariosavailability.pm
index 8d50ba526..5179ff49e 100644
--- a/centreon-plugins/apps/monitoring/quanta/restapi/mode/webscenariosavailability.pm
+++ b/centreon-plugins/apps/monitoring/quanta/restapi/mode/webscenariosavailability.pm
@@ -125,8 +125,18 @@ __END__
 
 Check web scenario availability metrics.
 
+(Data are delayed by a minimum of 3 hours)
+
 =over 8
 
+=item B<--scenario-id>
+
+Set ID of the scenario.
+
+=item B<--timeframe>
+
+Set timeframe in seconds (Default: 14400).
+
 =item B<--warning-*> B<--critical-*>
 
 Can be: 'total-response-time', 'availability',