1 files changed, 8 insertions, 3 deletions
diff --git a/MdePkg/Include/Protocol/SimpleFileSystem.h b/MdePkg/Include/Protocol/SimpleFileSystem.h
index eb850be94f..ddfbebb80c 100644
--- a/MdePkg/Include/Protocol/SimpleFileSystem.h
+++ b/MdePkg/Include/Protocol/SimpleFileSystem.h
@@ -31,14 +31,13 @@ typedef struct _EFI_SIMPLE_FILE_SYSTEM_PROTOCOL  EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
 typedef struct _EFI_FILE_PROTOCOL         EFI_FILE_PROTOCOL;
 typedef struct _EFI_FILE_PROTOCOL         *EFI_FILE_HANDLE;
 
-
 ///
-/// Protocol GUID defined in EFI1.1.
+/// Protocol GUID name defined in EFI1.1.
 /// 
 #define SIMPLE_FILE_SYSTEM_PROTOCOL       EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID
 
 ///
-/// Protocol defined in EFI1.1.
+/// Protocol name defined in EFI1.1.
 /// 
 typedef EFI_SIMPLE_FILE_SYSTEM_PROTOCOL   EFI_FILE_IO_INTERFACE;
 typedef struct _EFI_FILE_PROTOCOL         EFI_FILE;
@@ -66,12 +65,18 @@ EFI_STATUS
   );
 
 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION  0x00010000
+
 ///
 /// Revision defined in EFI1.1
 /// 
 #define EFI_FILE_IO_INTERFACE_REVISION  EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION
 
 struct _EFI_SIMPLE_FILE_SYSTEM_PROTOCOL {
+  ///
+  /// The version of the EFI_SIMPLE_FILE_SYSTEM_PROTOCOL. The version
+  /// specified by this specification is 0x00010000. All future revisions
+  /// must be backwards compatible.
+  ///
   UINT64                                      Revision;
   EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_OPEN_VOLUME OpenVolume;
 };