diff --git a/models/event.py b/models/event.py
index 0658854..f65d020 100644
--- a/models/event.py
+++ b/models/event.py
@@ -117,7 +117,8 @@ class KalachakraEvent(models.Model):
         evt=self.env['event.event'].search([('parent_event_id','=', int(self.id))])
         if evt:
             for e in evt:
-                e.remove_event_from_google_agenda()
+                if e.calendar_id and e.calendar_event_id:
+                    e.remove_event_from_google_agenda()
                 e.unlink()
                 
          
@@ -230,7 +231,7 @@ class KalachakraEvent(models.Model):
                     if prd.price_per=='day':
                         price=option.list_price*self.duration
                     if prd.price_per=='night':
-                        price=option.list_price*(self.duration-1)
+                        price=option.list_price*self.duration-1
 
                     vals['event_id']=self.id
                     vals['booking_option_id']=option.id
@@ -302,7 +303,7 @@ class KalachakraEvent(models.Model):
 
        name_param=self.name.replace(' ','-')
        name_param=name_param.replace('\'','-')
-       description='<a href="'+self.env['ir.config_parameter'].sudo().get_param('web.base.url')+'/event/'+name_param+'-'+date_param+'/register">Cliquer ici pour s\'inscrire</a>'
+       description='<a href="'+self.env['ir.config_parameter'].sudo().get_param('web.base.url')+'/event/'+name_param+'-'+date_param+'/register">Click here to register</a>'
        #str(self.date_begin.year())+'-'+str(self.date_begin.month())+'-'+self.date_begin.day()
        
        body={"summary": self.name,