diff --git a/htdocs/langs/en_US/holiday.lang b/htdocs/langs/en_US/holiday.lang
index 0b471cc8c51..7690180dde1 100644
--- a/htdocs/langs/en_US/holiday.lang
+++ b/htdocs/langs/en_US/holiday.lang
@@ -26,6 +26,7 @@ MenuConfCP=Edit balance of leaves
 UpdateAllCP=Update the leaves
 SoldeCPUser=Leaves balance is <b>%s</b> days.
 ErrorEndDateCP=You must select an end date greater than the start date.
+ErrorFieldRequired=This field is required :
 ErrorSQLCreateCP=An SQL error occurred during the creation:
 ErrorIDFicheCP=An error has occurred, the leave request does not exist.
 ReturnCP=Return to previous page
@@ -40,6 +41,7 @@ DeleteCP=Delete
 ActionValidCP=Validate
 ActionRefuseCP=Refuse
 ActionCancelCP=Cancel
+UpdateButtonCP=Update
 StatutCP=Status
 SendToValidationCP=Send to validation
 TitleDeleteCP=Delete the leave request
@@ -80,11 +82,10 @@ alreadyCPexist=A leave request has already been done on this period.
 UserName=Name
 FirstDayOfHoliday=First day of vacation
 LastDayOfHoliday=Last day of vacation
-BoxTitleLastLeaveRequests=Last %s modified leave requests 
+BoxTitleLastLeaveRequests=Last %s modified leave requests
 HolidaysMonthlyUpdate=Monthly update
 ManualUpdate=Manual update
 HolidaysCancelation=Leave request cancelation
-
 ## Configuration du Module ##
 ConfCP=Configuration of leave request module
 DescOptionCP=Description of the option
@@ -140,4 +141,4 @@ HolidaysRefusedBody=Your leave request for %s to %s has been denied for the foll
 HolidaysCanceled=Canceled leaved request
 HolidaysCanceledBody=Your leave request for %s to %s has been canceled.
 NewByMonth=Added per month
-GoIntoDictionaryHolidayTypes=Go into <strong>Home - Setup - Dictionaries - Type of leaves</strong> to setup the different types of leaves.
\ No newline at end of file
+GoIntoDictionaryHolidayTypes=Go into <strong>Home - Setup - Dictionaries - Type of leaves</strong> to setup the different types of leaves.