5 files changed, 5 insertions, 5 deletions
diff --git a/MdePkg/Include/Guid/Apriori.h b/MdePkg/Include/Guid/Apriori.h
index a897b8a9a0..04314a8598 100644
--- a/MdePkg/Include/Guid/Apriori.h
+++ b/MdePkg/Include/Guid/Apriori.h
@@ -1,7 +1,7 @@
 /** @file
   GUID used as an FV filename for A Priori file. The A Priori file contains a
   list of FV filenames that the DXE dispatcher will schedule reguardless of
-  the dependency grammer.
+  the dependency grammar.
 
   Copyright (c) 2006 - 2008, Intel Corporation                                                         
   All rights reserved. This program and the accompanying materials                          
diff --git a/MdePkg/Include/Guid/FileInfo.h b/MdePkg/Include/Guid/FileInfo.h
index da5868920d..ad56b6e734 100644
--- a/MdePkg/Include/Guid/FileInfo.h
+++ b/MdePkg/Include/Guid/FileInfo.h
@@ -1,7 +1,7 @@
 /** @file
   Provides a GUID and a data structure that can be used with EFI_FILE_PROTOCOL.SetInfo()
   and EFI_FILE_PROTOCOL.GetInfo() to set or get generic file information.
-  This guid is defined in UEFI specification.
+  This GUID is defined in UEFI specification.
 
   Copyright (c) 2006 - 2008, Intel Corporation                                                         
   All rights reserved. This program and the accompanying materials                          
diff --git a/MdePkg/Include/Guid/FileSystemInfo.h b/MdePkg/Include/Guid/FileSystemInfo.h
index 9a937cbf28..255e58061f 100644
--- a/MdePkg/Include/Guid/FileSystemInfo.h
+++ b/MdePkg/Include/Guid/FileSystemInfo.h
@@ -1,7 +1,7 @@
 /** @file
   Provides a GUID and a data structure that can be used with EFI_FILE_PROTOCOL.GetInfo()
   or EFI_FILE_PROTOCOL.SetInfo() to get or set information about the system's volume.
-  This guid is defined in UEFI specification.
+  This GUID is defined in UEFI specification.
 
   Copyright (c) 2006 - 2008, Intel Corporation                                                         
   All rights reserved. This program and the accompanying materials                          
diff --git a/MdePkg/Include/Guid/FileSystemVolumeLabelInfo.h b/MdePkg/Include/Guid/FileSystemVolumeLabelInfo.h
index edd9a98e85..bdbbf2c4dd 100644
--- a/MdePkg/Include/Guid/FileSystemVolumeLabelInfo.h
+++ b/MdePkg/Include/Guid/FileSystemVolumeLabelInfo.h
@@ -1,7 +1,7 @@
 /** @file
   Provides a GUID and a data structure that can be used with EFI_FILE_PROTOCOL.GetInfo()
   or EFI_FILE_PROTOCOL.SetInfo() to get or set the system's volume label.
-  This guid is defined in UEFI specification.
+  This GUID is defined in UEFI specification.
 
   Copyright (c) 2006 - 2008, Intel Corporation                                                         
   All rights reserved. This program and the accompanying materials                          
diff --git a/MdePkg/Include/Guid/Mps.h b/MdePkg/Include/Guid/Mps.h
index 169ec9d09e..4d9ec9557e 100644
--- a/MdePkg/Include/Guid/Mps.h
+++ b/MdePkg/Include/Guid/Mps.h
@@ -1,6 +1,6 @@
 /** @file
   GUIDs used for MPS entries in the UEFI 2.0 system table
-  ACPI is the primary means of exporting MP information to the OS. MPS obly was
+  ACPI is the primary means of exporting MPS information to the OS. MPS only was
   included to support Itanium-based platform power on. So don't use it if you don't have too.
 
   Copyright (c) 2006, Intel Corporation