diff --git a/models/acc_operation.py b/models/acc_operation.py
index 0a29e9379ebd52ab1ba6350e0079f3587317eec0..00d8c693e1399eca8e0edb7323ec2c83ef5f60fc 100644
--- a/models/acc_operation.py
+++ b/models/acc_operation.py
@@ -65,6 +65,7 @@ class AccOperation(models.Model):
 
     def get_last_cdc_record(self, partner_id=None):
         """
+        @param: int partner_id identifiant du contact
         @returns: last acc.enedis.cdc record in operations
         """
         domain = [("acc_operation_id", "in", self.ids)]