diff --git a/internal/bcrypt/ntstatus.go b/internal/bcrypt/ntstatus_windows.go
similarity index 93%
rename from internal/bcrypt/ntstatus.go
rename to internal/bcrypt/ntstatus_windows.go
index b7dcab3..ec2eb01 100644
--- a/internal/bcrypt/ntstatus.go
+++ b/internal/bcrypt/ntstatus_windows.go
@@ -1,3 +1,6 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
 package bcrypt
 
 import (