diff --git a/tests/ImageSharp.Tests/Helpers/RowIntervalTests.cs b/tests/ImageSharp.Tests/Helpers/RowIntervalTests.cs
index 950434ac32..629b3cdeb3 100644
--- a/tests/ImageSharp.Tests/Helpers/RowIntervalTests.cs
+++ b/tests/ImageSharp.Tests/Helpers/RowIntervalTests.cs
@@ -1,8 +1,9 @@
-using System;
-using System.Runtime.CompilerServices;
+// Copyright (c) Six Labors and contributors.
+// Licensed under the Apache License, Version 2.0.
 
+using System;
+using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Memory;
-
 using Xunit;
 
 namespace SixLabors.ImageSharp.Tests.Helpers