diff --git a/llvm/include/llvm/IR/ProfDataUtils.h b/llvm/include/llvm/IR/ProfDataUtils.h
--- a/llvm/include/llvm/IR/ProfDataUtils.h
+++ b/llvm/include/llvm/IR/ProfDataUtils.h
@@ -1,3 +1,17 @@
+//===- llvm/IR/ProfDataUtils.h - Profiling Metadata Utilities ---*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+/// @file
+/// This file contains the declarations for profiling metadata utility
+/// functions.
+//
+//===----------------------------------------------------------------------===//
+
 #ifndef LLVM_IR_PROFDATAUTILS_H
 #define LLVM_IR_PROFDATAUTILS_H
 
diff --git a/llvm/lib/IR/ProfDataUtils.cpp b/llvm/lib/IR/ProfDataUtils.cpp
--- a/llvm/lib/IR/ProfDataUtils.cpp
+++ b/llvm/lib/IR/ProfDataUtils.cpp
@@ -1,3 +1,15 @@
+//===- ProfDataUtils.cpp - Utility functions for MD_prof Metadata ---------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements utilities for working with Profiling Metadata.
+//
+//===----------------------------------------------------------------------===//
+
 #include "llvm/IR/ProfDataUtils.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Twine.h"