Update comments

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8744 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Include/Guid/LzmaDecompress.h

@@ -15,6 +15,10 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #ifndef __LZMA_DECOMPRESS_GUID_H__
 #define __LZMA_DECOMPRESS_GUID_H__
 
+///
+/// Global ID used to identify a section of an FFS file of type 
+/// EFI_SECTION_GUID_DEFINED whose contents have been compressed using LZMA.
+///
 #define LZMA_CUSTOM_DECOMPRESS_GUID  \
   { 0xEE4E5898, 0x3914, 0x4259, { 0x9D, 0x6E, 0xDC, 0x7B, 0xD7, 0x94, 0x03, 0xCF } }