diff --git a/src/Shared/runtime/Http2/Hpack/DynamicTable.cs b/src/Shared/runtime/Http2/Hpack/DynamicTable.cs
index 22178acae7..5a8fdf170f 100644
--- a/src/Shared/runtime/Http2/Hpack/DynamicTable.cs
+++ b/src/Shared/runtime/Http2/Hpack/DynamicTable.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 namespace System.Net.Http.HPack
 {
diff --git a/src/Shared/runtime/Http2/Hpack/H2StaticTable.cs b/src/Shared/runtime/Http2/Hpack/H2StaticTable.cs
index eeb1029119..52de5ee8a8 100644
--- a/src/Shared/runtime/Http2/Hpack/H2StaticTable.cs
+++ b/src/Shared/runtime/Http2/Hpack/H2StaticTable.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Collections.Generic;
 using System.Text;
diff --git a/src/Shared/runtime/Http2/Hpack/HPackDecoder.cs b/src/Shared/runtime/Http2/Hpack/HPackDecoder.cs
index 997047f2c6..41eb1c6938 100644
--- a/src/Shared/runtime/Http2/Hpack/HPackDecoder.cs
+++ b/src/Shared/runtime/Http2/Hpack/HPackDecoder.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Buffers;
 using System.Diagnostics;
diff --git a/src/Shared/runtime/Http2/Hpack/HPackDecodingException.cs b/src/Shared/runtime/Http2/Hpack/HPackDecodingException.cs
index 63d80cbb9f..b30eba72b9 100644
--- a/src/Shared/runtime/Http2/Hpack/HPackDecodingException.cs
+++ b/src/Shared/runtime/Http2/Hpack/HPackDecodingException.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Runtime.Serialization;
 
diff --git a/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs b/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs
index 2385834b30..ac321b6f0d 100644
--- a/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs
+++ b/src/Shared/runtime/Http2/Hpack/HPackEncoder.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Diagnostics;
 #if KESTREL
diff --git a/src/Shared/runtime/Http2/Hpack/HPackEncodingException.cs b/src/Shared/runtime/Http2/Hpack/HPackEncodingException.cs
index 397b313191..792c871837 100644
--- a/src/Shared/runtime/Http2/Hpack/HPackEncodingException.cs
+++ b/src/Shared/runtime/Http2/Hpack/HPackEncodingException.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 namespace System.Net.Http.HPack
 {
diff --git a/src/Shared/runtime/Http2/Hpack/HeaderField.cs b/src/Shared/runtime/Http2/Hpack/HeaderField.cs
index f876204671..2384c71983 100644
--- a/src/Shared/runtime/Http2/Hpack/HeaderField.cs
+++ b/src/Shared/runtime/Http2/Hpack/HeaderField.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Diagnostics;
 using System.Text;
diff --git a/src/Shared/runtime/Http2/Hpack/Huffman.cs b/src/Shared/runtime/Http2/Hpack/Huffman.cs
index 3cba01b1d2..c534e0c173 100644
--- a/src/Shared/runtime/Http2/Hpack/Huffman.cs
+++ b/src/Shared/runtime/Http2/Hpack/Huffman.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Diagnostics;
 
diff --git a/src/Shared/runtime/Http2/Hpack/HuffmanDecodingException.cs b/src/Shared/runtime/Http2/Hpack/HuffmanDecodingException.cs
index 64352e9535..2442f02da0 100644
--- a/src/Shared/runtime/Http2/Hpack/HuffmanDecodingException.cs
+++ b/src/Shared/runtime/Http2/Hpack/HuffmanDecodingException.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Runtime.Serialization;
 
diff --git a/src/Shared/runtime/Http2/Hpack/IntegerDecoder.cs b/src/Shared/runtime/Http2/Hpack/IntegerDecoder.cs
index dafa6c08b4..0841d69bf2 100644
--- a/src/Shared/runtime/Http2/Hpack/IntegerDecoder.cs
+++ b/src/Shared/runtime/Http2/Hpack/IntegerDecoder.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Diagnostics;
 using System.Numerics;
diff --git a/src/Shared/runtime/Http2/Hpack/IntegerEncoder.cs b/src/Shared/runtime/Http2/Hpack/IntegerEncoder.cs
index f56ad0a85e..227fbf0a44 100644
--- a/src/Shared/runtime/Http2/Hpack/IntegerEncoder.cs
+++ b/src/Shared/runtime/Http2/Hpack/IntegerEncoder.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Diagnostics;
 
diff --git a/src/Shared/runtime/Http2/Hpack/StatusCodes.cs b/src/Shared/runtime/Http2/Hpack/StatusCodes.cs
index f302e7339b..b701fa79f4 100644
--- a/src/Shared/runtime/Http2/Hpack/StatusCodes.cs
+++ b/src/Shared/runtime/Http2/Hpack/StatusCodes.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Globalization;
 using System.Text;
diff --git a/src/Shared/runtime/Quic/Implementations/MsQuic/Internal/ResettableCompletionSource.cs b/src/Shared/runtime/Quic/Implementations/MsQuic/Internal/ResettableCompletionSource.cs
index 1db5dc67b4..4bcf0a917a 100644
--- a/src/Shared/runtime/Quic/Implementations/MsQuic/Internal/ResettableCompletionSource.cs
+++ b/src/Shared/runtime/Quic/Implementations/MsQuic/Internal/ResettableCompletionSource.cs
@@ -1,4 +1,8 @@
-using System.Threading.Tasks;
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Threading.Tasks;
 using System.Threading.Tasks.Sources;
 
 namespace System.Net.Quic.Implementations.MsQuic.Internal
diff --git a/src/Shared/test/Shared.Tests/runtime/Http2/DynamicTableTest.cs b/src/Shared/test/Shared.Tests/runtime/Http2/DynamicTableTest.cs
index fe0e4c7ec5..4abe4c5e68 100644
--- a/src/Shared/test/Shared.Tests/runtime/Http2/DynamicTableTest.cs
+++ b/src/Shared/test/Shared.Tests/runtime/Http2/DynamicTableTest.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Collections.Generic;
 using System.Diagnostics;
diff --git a/src/Shared/test/Shared.Tests/runtime/Http2/HPackDecoderTest.cs b/src/Shared/test/Shared.Tests/runtime/Http2/HPackDecoderTest.cs
index d7bd47845c..2afdb29901 100644
--- a/src/Shared/test/Shared.Tests/runtime/Http2/HPackDecoderTest.cs
+++ b/src/Shared/test/Shared.Tests/runtime/Http2/HPackDecoderTest.cs
@@ -1,6 +1,6 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0.
-// See THIRD-PARTY-NOTICES.TXT in the project root for license information.
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
 
 using System.Buffers;
 using System.Linq;