diff --git a/MdeModulePkg/Core/Dxe/DxeMain.inf b/MdeModulePkg/Core/Dxe/DxeMain.inf
index e98b3e2213..edd2e70bae 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain.inf
+++ b/MdeModulePkg/Core/Dxe/DxeMain.inf
@@ -1,8 +1,5 @@
 #/** @file
-#  
-#    Component description file for DxeMain module.
-#  
-#   This module provide an DXE CIS compliant implementation of DXE Core.
+#  This module provides an implementation of DXE Core that is compliant with DXE CIS.
 #  
 #  Copyright (c) 2006 - 2008, Intel Corporation. <BR>
 #  All rights reserved. This program and the accompanying materials
diff --git a/MdeModulePkg/Core/Pei/PeiMain.inf b/MdeModulePkg/Core/Pei/PeiMain.inf
index 2164380934..5500af19bc 100644
--- a/MdeModulePkg/Core/Pei/PeiMain.inf
+++ b/MdeModulePkg/Core/Pei/PeiMain.inf
@@ -1,10 +1,10 @@
 #/** @file
-# PeiMain module is core module in PEI phase. It take reponsiblities of:
-# 1) Initialize memory, ppi, image services etc, to establish PEIM runtime environment.
-# 2) Dispatch PEIM from discoveried FV.
-# 3) Handoff control to DxeIpl to load dxe core and enter DXE phase.
+# PeiMain module is core module in PEI phase. It takes responsibilities of:
+# 1) Initialize memory, PPI, image services etc, to establish PEIM runtime environment.
+# 2) Dispatch PEIM from discovered FV.
+# 3) Handoff control to DxeIpl to load DXE core and enter DXE phase.
 #
-# Copyright (c) 2006 - 2007, Intel Corporation
+# Copyright (c) 2006 - 2008, Intel Corporation
 #
 #  All rights reserved. This program and the accompanying materials
 #  are licensed and made available under the terms and conditions of the BSD License