diff --git a/doc/reference/orm.rst b/doc/reference/orm.rst
index 62ef4a3d018..10ac368e950 100644
--- a/doc/reference/orm.rst
+++ b/doc/reference/orm.rst
@@ -376,9 +376,9 @@ it uses the values of other *fields*, it should specify those fields using
     def _apply_discount(self):
         for record in self:
             # compute actual discount from discount percentage
-            discount = self.value * self.discount
-            self.discount_value = discount
-            self.total = self.value - discount
+            discount = record.value * record.discount
+            record.discount_value = discount
+            record.total = record.value - discount
 
 Related fields
 ''''''''''''''