Fix trans

htdocs/langs/en_US/mails.lang

@@ -78,9 +78,9 @@ GroupEmails=Group emails
 OneEmailPerRecipient=One email per recipient (by default, one email per record selected)
 WarningIfYouCheckOneRecipientPerEmail=Warning, if you check this box, it means only one email will be sent for several different record selected, so, if your message contains substitution variables that refers to data of a record, it becomes not possible to replace them.
 ResultOfMailSending=Result of mass Email sending
-NbSelected=No. selected
-NbIgnored=No. ignored
-NbSent=No. sent
+NbSelected=Number selected
+NbIgnored=Number ignored
+NbSent=Number sent
 SentXXXmessages=%s message(s) sent.
 ConfirmUnvalidateEmailing=Are you sure you want to change email <b>%s</b> to draft status?
 MailingModuleDescContactsWithThirdpartyFilter=Contact with customer filters