diff --git a/cura/OAuth2/SecretStorage.py b/cura/OAuth2/SecretStorage.py
index f0b04786dc..509c60d4f8 100644
--- a/cura/OAuth2/SecretStorage.py
+++ b/cura/OAuth2/SecretStorage.py
@@ -1,3 +1,5 @@
+# Copyright (c) 2021 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
 from typing import Optional
 
 import keyring  # TODO: Add to about as dependency