diff --git a/htdocs/langs/en_US/users.lang b/htdocs/langs/en_US/users.lang
index 888c9f52161..5bfbec87294 100644
--- a/htdocs/langs/en_US/users.lang
+++ b/htdocs/langs/en_US/users.lang
@@ -123,4 +123,8 @@ ForceUserHolidayValidator=Force leave request validator
 ValidatorIsSupervisorByDefault=By default, the validator is the supervisor of the user. Keep empty to keep this behaviour.
 UserPersonalEmail=Personal email
 UserPersonalMobile=Personal mobile phone
-WarningNotLangOfInterface=Warning, this is the main language the user speak, not the language of the interface he choosed to see. To change the interface language visible by this user, go on tab %s 
\ No newline at end of file
+WarningNotLangOfInterface=Warning, this is the main language the user speak, not the language of the interface he choosed to see. To change the interface language visible by this user, go on tab %s
+DateLastLogin=Date last login
+DatePreviousLogin=Date previous login
+IPLastLogin=IP last login
+IPPreviousLogin=IP previous login