diff --git a/htdocs/langs/en_US/agenda.lang b/htdocs/langs/en_US/agenda.lang
index 9c1a0a35837..4a7ab99ca77 100644
--- a/htdocs/langs/en_US/agenda.lang
+++ b/htdocs/langs/en_US/agenda.lang
@@ -100,7 +100,7 @@ AgendaUrlOptions3=<b>logina=%s</b> to restrict output to actions owned by a user
 AgendaUrlOptionsNotAdmin=<b>logina=!%s</b> to restrict output to actions not owned by user <b>%s</b>.
 AgendaUrlOptions4=<b>logint=%s</b> to restrict output to actions assigned to user <b>%s</b> (owner and others).
 AgendaUrlOptionsProject=<b>project=__PROJECT_ID__</b> to restrict output to actions linked to project <b>__PROJECT_ID__</b>.
-AgendaUrlOptionsNotAutoEvent=<b>notactiontype=systemauto</b> to exclude automatic event.
+AgendaUrlOptionsNotAutoEvent=<b>notactiontype=systemauto</b> to exclude automatic events.
 AgendaShowBirthdayEvents=Show birthdays of contacts
 AgendaHideBirthdayEvents=Hide birthdays of contacts
 Busy=Busy