1 files changed, 5 insertions, 13 deletions
diff --git a/MdePkg/Include/Library/SynchronizationLib.h b/MdePkg/Include/Library/SynchronizationLib.h
index bfdf6f4222ed..fc01b10cd4b7 100644
--- a/MdePkg/Include/Library/SynchronizationLib.h
+++ b/MdePkg/Include/Library/SynchronizationLib.h
@@ -1,14 +1,8 @@
 /** @file
   Provides synchronization functions.
 
-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
-This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution.  The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 
@@ -26,7 +20,7 @@ typedef volatile UINTN              SPIN_LOCK;
   optimal spin lock performance.
 
   This function retrieves the spin lock alignment requirements for optimal
-  performance on a given CPU architecture. The spin lock alignment is byte alignment. 
+  performance on a given CPU architecture. The spin lock alignment is byte alignment.
   It must be a power of two and is returned by this function. If there are no alignment
   requirements, then 1 must be returned. The spin lock synchronization
   functions must function correctly if the spin lock size and alignment values
@@ -144,8 +138,7 @@ ReleaseSpinLock (
 
   Performs an atomic increment of the 32-bit unsigned integer specified by
   Value and returns the incremented value. The increment operation must be
-  performed using MP safe mechanisms. The state of the return value is not
-  guaranteed to be MP safe.
+  performed using MP safe mechanisms.
 
   If Value is NULL, then ASSERT().
 
@@ -166,8 +159,7 @@ InterlockedIncrement (
 
   Performs an atomic decrement of the 32-bit unsigned integer specified by
   Value and returns the decremented value. The decrement operation must be
-  performed using MP safe mechanisms. The state of the return value is not
-  guaranteed to be MP safe.
+  performed using MP safe mechanisms.
 
   If Value is NULL, then ASSERT().