diff --git a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBusDxe.inf b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBusDxe.inf
index 15666ec206..e06553187a 100644
--- a/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBusDxe.inf
+++ b/MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBusDxe.inf
@@ -1,8 +1,8 @@
 #/** @file
 #  
-#    Component description file for Scsi Bus module.
-#  
-#   SCSI bus driver. This driver scans all SCSI devices and export SCSI IO protocol
+#  SCSI bus driver. This driver scans all SCSI devices and creates a device handle for
+#  each of them. After this the driver installs the Path Device Protocol and SCSI I/O Protocol on
+#  these handles.
 #  
 #  Copyright (c) 2006 - 2008, Intel Corporation. <BR>
 #  All rights reserved. This program and the accompanying materials
diff --git a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDiskDxe.inf b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDiskDxe.inf
index 8467cf69a6..d2fb3c196f 100644
--- a/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDiskDxe.inf
+++ b/MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDiskDxe.inf
@@ -1,8 +1,7 @@
 #/** @file
-#  
-#   Component description file for Scsi Disk module.
-#  
-#   Scsi Disk driver. This driver detected the Scsi disk media and export block io protocol
+#    
+#  Scsi Disk driver. This driver detects the Scsi disk media and installs Block I/O Protocol
+#  on the device handle that holds the SCSI I/O Portocol.
 #  
 #  Copyright (c) 2006 - 2008, Intel Corporation. <BR>
 #  All rights reserved. This program and the accompanying materials