diff --git a/src/Markdig/Helpers/Newline.cs b/src/Markdig/Helpers/Newline.cs
index ed232cb4..f2a04807 100644
--- a/src/Markdig/Helpers/Newline.cs
+++ b/src/Markdig/Helpers/Newline.cs
@@ -1,3 +1,7 @@
+// Copyright (c) Alexandre Mutel. All rights reserved.
+// This file is licensed under the BSD-Clause 2 license.
+// See the license.txt file in the project root for more information.
+
 using System;
 
 namespace Markdig.Helpers
diff --git a/src/Markdig/Renderers/Roundtrip/NoBlockFoundBlockRenderer.cs b/src/Markdig/Renderers/Roundtrip/NoBlockFoundBlockRenderer.cs
index 708f22cd..bd4e2b1c 100644
--- a/src/Markdig/Renderers/Roundtrip/NoBlockFoundBlockRenderer.cs
+++ b/src/Markdig/Renderers/Roundtrip/NoBlockFoundBlockRenderer.cs
@@ -1,3 +1,7 @@
+// Copyright (c) Alexandre Mutel. All rights reserved.
+// This file is licensed under the BSD-Clause 2 license.
+// See the license.txt file in the project root for more information.
+
 using Markdig.Syntax;
 
 namespace Markdig.Renderers.Roundtrip