diff --git a/linux-x64/clang/include/llvm/FuzzMutate/FuzzerCLI.h b/linux-x64/clang/include/llvm/FuzzMutate/FuzzerCLI.h
index 3333e96..2a16e43 100644
--- a/linux-x64/clang/include/llvm/FuzzMutate/FuzzerCLI.h
+++ b/linux-x64/clang/include/llvm/FuzzMutate/FuzzerCLI.h
@@ -1,9 +1,8 @@
 //===-- FuzzerCLI.h - Common logic for CLIs of fuzzers ----------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/FuzzMutate/IRMutator.h b/linux-x64/clang/include/llvm/FuzzMutate/IRMutator.h
index 9aa9d6d..40a1ce8 100644
--- a/linux-x64/clang/include/llvm/FuzzMutate/IRMutator.h
+++ b/linux-x64/clang/include/llvm/FuzzMutate/IRMutator.h
@@ -1,9 +1,8 @@
 //===-- IRMutator.h - Mutation engine for fuzzing IR ------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/FuzzMutate/OpDescriptor.h b/linux-x64/clang/include/llvm/FuzzMutate/OpDescriptor.h
index dd30fda..d6c98cd 100644
--- a/linux-x64/clang/include/llvm/FuzzMutate/OpDescriptor.h
+++ b/linux-x64/clang/include/llvm/FuzzMutate/OpDescriptor.h
@@ -1,9 +1,8 @@
 //===-- OpDescriptor.h ------------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/FuzzMutate/Operations.h b/linux-x64/clang/include/llvm/FuzzMutate/Operations.h
index 668bd95..2eb4c38 100644
--- a/linux-x64/clang/include/llvm/FuzzMutate/Operations.h
+++ b/linux-x64/clang/include/llvm/FuzzMutate/Operations.h
@@ -1,9 +1,8 @@
 //===-- Operations.h - ----------------------------------------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/FuzzMutate/Random.h b/linux-x64/clang/include/llvm/FuzzMutate/Random.h
index 3a5f46a..615b15f 100644
--- a/linux-x64/clang/include/llvm/FuzzMutate/Random.h
+++ b/linux-x64/clang/include/llvm/FuzzMutate/Random.h
@@ -1,9 +1,8 @@
 //===--- Random.h - Utilities for random sampling -------------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
diff --git a/linux-x64/clang/include/llvm/FuzzMutate/RandomIRBuilder.h b/linux-x64/clang/include/llvm/FuzzMutate/RandomIRBuilder.h
index 5cf3f0b..f3b6097 100644
--- a/linux-x64/clang/include/llvm/FuzzMutate/RandomIRBuilder.h
+++ b/linux-x64/clang/include/llvm/FuzzMutate/RandomIRBuilder.h
@@ -1,9 +1,8 @@
-//===-- Mutator.h - Utils for randomly mutation IR --------------*- C++ -*-===//
+//===- RandomIRBuilder.h - Utils for randomly mutation IR -------*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //