diff --git a/htdocs/langs/en_US/agenda.lang b/htdocs/langs/en_US/agenda.lang
index cd478d1d7d8ab..395d3a20ac040 100644
--- a/htdocs/langs/en_US/agenda.lang
+++ b/htdocs/langs/en_US/agenda.lang
@@ -206,3 +206,4 @@ BookcalBookingTitle=Online appointment
 Transparency = Transparency
 ReadMore = Read more
 ReadLess = Read less
+InvoiceCreatedInDolibarr= Invoice %s has been created in dolibarr