diff --git a/addons/hr_holidays/hr_holidays.py b/addons/hr_holidays/hr_holidays.py
index 2a2648f1beb..2ed5a04d937 100644
--- a/addons/hr_holidays/hr_holidays.py
+++ b/addons/hr_holidays/hr_holidays.py
@@ -202,7 +202,7 @@ class hr_holidays(osv.osv):
     def unlink(self, cr, uid, ids, context=None):
         for rec in self.browse(cr, uid, ids, context=context):
             if rec.state<>'draft':
-                raise osv.except_osv(_('Warning!'),_('You cannot delete a leave which is not in draft status !'))
+                raise osv.except_osv(_('Warning!'),_('You cannot delete a leave, because it\'s not in draft state !'))
         return super(hr_holidays, self).unlink(cr, uid, ids, context)
 
     def onchange_date_from(self, cr, uid, ids, date_to, date_from):