diff --git a/account_usability/wizard/account_invoice_mark_sent.py b/account_usability/wizard/account_invoice_mark_sent.py
index baee066..b7d0f9c 100644
--- a/account_usability/wizard/account_invoice_mark_sent.py
+++ b/account_usability/wizard/account_invoice_mark_sent.py
@@ -2,7 +2,7 @@
 # © 2017 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from openerp import models
+from odoo import models
 import logging
 logger = logging.getLogger(__name__)
 
diff --git a/account_usability/wizard/account_invoice_mark_sent_view.xml b/account_usability/wizard/account_invoice_mark_sent_view.xml
index edbd7af..801599a 100644
--- a/account_usability/wizard/account_invoice_mark_sent_view.xml
+++ b/account_usability/wizard/account_invoice_mark_sent_view.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-    © 2017 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
-    The licence is in the file __openerp__.py
+  Copyright 2017-2018 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 -->
 
 <odoo>