diff --git a/htdocs/langs/en_US/mails.lang b/htdocs/langs/en_US/mails.lang
index f682df02406..67a8a24c04d 100644
--- a/htdocs/langs/en_US/mails.lang
+++ b/htdocs/langs/en_US/mails.lang
@@ -42,7 +42,7 @@ MailingStatusSentPartialy=Sent partialy
 MailingStatusSentCompletely=Sent completely
 MailingStatusError=Error
 MailingStatusNotSent=Not sent
-MailSuccessfulySent=Email successfully sent (from %s to %s)
+MailSuccessfulySent=Email successfully accepted for delivery (from %s to %s)
 MailingSuccessfullyValidated=EMailing successfully validated
 MailUnsubcribe=Unsubscribe
 Unsuscribe=Unsubscribe