diff --git a/doc/third-party-notices.txt b/doc/third-party-notices.txt
index bbb4476a07..d13558091a 100644
--- a/doc/third-party-notices.txt
+++ b/doc/third-party-notices.txt
@@ -387,7 +387,31 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 License Notice for ILCompiler.Reflection.ReadyToRun (part of ILSpy.ReadyToRun)
 ---------------------------
 
-https://opensource.org/licenses/MIT
+https://github.com/dotnet/runtime/blob/master/LICENSE.TXT
+
+The MIT License (MIT)
+
+Copyright (c) .NET Foundation and Contributors
+
+All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
 
 
 License Notice for LightJson (part of ICSharpCode.Decompiler)