1 files changed, 9 insertions, 5 deletions
diff --git a/MdeModulePkg/Include/Guid/MemoryTypeInformation.h b/MdeModulePkg/Include/Guid/MemoryTypeInformation.h
index e97d88765e..65adcf478b 100644
--- a/MdeModulePkg/Include/Guid/MemoryTypeInformation.h
+++ b/MdeModulePkg/Include/Guid/MemoryTypeInformation.h
@@ -1,14 +1,18 @@
 /** @file
   This file defines:
-  * Memory Type Information GUID for HOB and Variable.
+  * Memory Type Information GUID for Guided HOB and Variable.
   * Memory Type Information Variable Name.
   * Memory Type Information GUID HOB data structure.
 
-  The memory type information HOB and variable can
-  be used to store the information for each memory type in Variable or HOB.
+  The memory type information HOB and variable can be used to store information
+  for each memory type in Variable or HOB.
 
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
+  The Memory Type Information GUID can also be optionally used as the Owner
+  field of a Resource Descriptor HOB to provide the preferred memory range
+  for the memory types described in the Memory Type Information GUID HOB.
+
+  Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/