diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
index 01ac9a9baf..74056e72c3 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/AcpiParser.c
@@ -1,7 +1,7 @@
 /** @file
   ACPI parser
 
-  Copyright (c) 2016 - 2020, Arm Limited. All rights reserved.
+  Copyright (c) 2016 - 2021, Arm Limited. All rights reserved.
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
 
@@ -628,7 +628,7 @@ STATIC CONST ACPI_PARSER GasParser[] = {
   {L"Address Space ID", 1, 0, L"0x%x", NULL, NULL, NULL, NULL},
   {L"Register Bit Width", 1, 1, L"0x%x", NULL, NULL, NULL, NULL},
   {L"Register Bit Offset", 1, 2, L"0x%x", NULL, NULL, NULL, NULL},
-  {L"Address Size", 1, 3, L"0x%x", NULL, NULL, NULL, NULL},
+  {L"Access Size", 1, 3, L"0x%x", NULL, NULL, NULL, NULL},
   {L"Address", 8, 4, L"0x%lx", NULL, NULL, NULL, NULL}
 };