diff --git a/MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf b/MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
index 1bd245ee84..f211b77a95 100644
--- a/MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
+++ b/MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
@@ -1,14 +1,17 @@
 ## @file
 #  Base ExtractGuidedSection Library.
 #  This instance can also be used in SEC phase only when the memory is ready in SEC phase.
-#  PCD PcdGuidedExtractHandlerTableAddress points to the available pysical memory space 
+#  PCD PcdGuidedExtractHandlerTableAddress points to the available pysical memory space
 #  that is used to store Guided Extract Handlers.
-#  Note: A driver of type DXE_RUNTIME_DRIVER can use this ExtractGuidedSectionLib 
-#  in their initialization without any issues. They only have to be careful in 
-#  the implementation of runtime services, because this BASE library instance doesn't 
+#  Note: A driver of type DXE_RUNTIME_DRIVER can use this ExtractGuidedSectionLib
+#  in their initialization without any issues. They only have to be careful in
+#  the implementation of runtime services, because this BASE library instance doesn't
 #  convert the address pointed by PcdGuidedExtractHandlerTableAddress to the virtual address.
-#  
-#  Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
+#  And a driver should use this ExtractGuidedSectionLib to do implementation internally, also
+#  this ExtractGuidedSectionLib couldn't be used for guided section extraction that is required
+#  by PEI and DXE core for recovery or capsule image processing, etc.
+#
+#  Copyright (c) 2007 - 2015, 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