diff --git a/htdocs/langs/en_US/agenda.lang b/htdocs/langs/en_US/agenda.lang
index 7090273eb8a..e9925458a37 100644
--- a/htdocs/langs/en_US/agenda.lang
+++ b/htdocs/langs/en_US/agenda.lang
@@ -1,32 +1,38 @@
-# Dolibarr language file - en_US - agenda
-Actions=Actions
-ActionsArea=Actions area (Events and tasks)
-Agenda=Agenda
-Agendas=Agendas
-Calendar=Calendar
-Calendars=Calendars
-AffectedTo=Affected to
-DoneBy=Done by
-Events=Events
-SearchAnAction=Search an action/task
-MenuToDoActions=All uncomplete actions
-MenuDoneActions=All terminated actions
-MenuToDoMyActions=My incomplete actions
-MenuDoneMyActions=My terminated actions
-ListOfEvents=List of Dolibarr events
-ActionsAskedBy=Actions recorded by
-ActionsToDoBy=Actions affected to
-ActionsDoneBy=Actions done by
-AllMyActions=All my actions/tasks
-AllActions=Toutes les actions/tasks
-ViewList=View list
-ViewCal=View calendar
-ViewWithPredefinedFilters=View with predefined filters
-AutoActions=Automatic filling of agenda
-AgendaAutoActionDesc=Define here events for which you want Dolibarr to create automatically an action in agenda. If nothing is checked (by default), only manual actions will be included in agenda.
-AgendaSetupOtherDesc=This page allows to configure other parameters of agenda module.
-ActionsEvents=Events for which create an action
-PropalValidatedInDolibarr=Proposal validated
-InvoiceValidatedInDolibarr=Invoice validated
-OrderValidatedInDolibarr=Order validated
-NewCompanyToDolibarr=Third party created
+# Dolibarr language file - en_US - agenda 
+Actions = Actions
+ActionsArea = Actions area (Events and tasks)
+Agenda = Agenda
+Agendas = Agendas
+Calendar = Calendar
+Calendars = Calendars
+AffectedTo = Affected to
+DoneBy = Done by
+Events = Events
+SearchAnAction = Search an action/task
+MenuToDoActions = All uncomplete actions
+MenuDoneActions = All terminated actions
+MenuToDoMyActions = My incomplete actions
+MenuDoneMyActions = My terminated actions
+ListOfEvents = List of Dolibarr events
+ActionsAskedBy = Actions recorded by
+ActionsToDoBy = Actions affected to
+ActionsDoneBy = Actions done by
+AllMyActions = All my actions/tasks
+AllActions = Toutes les actions/tasks
+ViewList = View list
+ViewCal = View calendar
+ViewWithPredefinedFilters = View with predefined filters
+AutoActions = Automatic filling of agenda
+AgendaAutoActionDesc = Define here events for which you want Dolibarr to create automatically an action in agenda. If nothing is checked (by default), only manual actions will be included in agenda.
+AgendaSetupOtherDesc = This page allows to configure other parameters of agenda module.
+ActionsEvents = Events for which create an action
+PropalValidatedInDolibarr = Proposal validated
+InvoiceValidatedInDolibarr = Invoice validated
+OrderValidatedInDolibarr = Order validated
+NewCompanyToDolibarr = Third party created
+DateActionPlannedStart = Planned start date
+DateActionPlannedEnd = Planned end date
+DateActionDoneStart = Real start date
+DateActionDoneEnd = Real end date
+DateActionStart = Start date
+DateActionEnd = End date