diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index 7bd69f09b0..c74ea23a74 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -2,7 +2,7 @@
   Provides string functions, linked list functions, math functions, synchronization
   functions, and CPU architecture-specific functions.
 
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
 Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
@@ -1470,8 +1470,8 @@ IsListEmpty (
   @param  List  A pointer to the head node of a doubly linked list.
   @param  Node  A pointer to a node in the doubly linked list.
 
-  @retval TRUE  Node is one of the nodes in the doubly linked list.
-  @retval FALSE Node is not one of the nodes in the doubly linked list.
+  @retval TRUE  Node is the head of the doubly-linked list pointed by List.
+  @retval FALSE Node is not the head of the doubly-linked list pointed by List.
 
 **/
 BOOLEAN
diff --git a/MdePkg/Library/BaseLib/LinkedList.c b/MdePkg/Library/BaseLib/LinkedList.c
index 726a402be7..03e8477c7e 100644
--- a/MdePkg/Library/BaseLib/LinkedList.c
+++ b/MdePkg/Library/BaseLib/LinkedList.c
@@ -1,7 +1,7 @@
 /** @file
   Linked List Library Functions.
 
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2011, 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
@@ -385,8 +385,8 @@ IsListEmpty (
   @param  List  A pointer to the head node of a doubly-linked list.
   @param  Node  A pointer to a node in the doubly-linked list.
 
-  @retval TRUE  Node is one of the nodes in the doubly-linked list.
-  @retval FALSE Node is not one of the nodes in the doubly-linked list.
+  @retval TRUE  Node is the head of the doubly-linked list pointed by List.
+  @retval FALSE Node is not the head of the doubly-linked list pointed by List.
 
 **/
 BOOLEAN