diff --git a/headers/os/drivers/PCI_x86.h b/headers/os/drivers/PCI_x86.h
index 6405c05d87..fc6f6af00d 100644
--- a/headers/os/drivers/PCI_x86.h
+++ b/headers/os/drivers/PCI_x86.h
@@ -1,3 +1,7 @@
+/*
+ *	Copyright 2010, Haiku Inc. All Rights Reserved.
+ *	Distributed under the terms of the MIT License.
+ */
 #ifndef PCI_X86_H
 #define PCI_X86_H
 
diff --git a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.cpp b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.cpp
index 3f7ba1e5e3..f27393a1d0 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.cpp
+++ b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.cpp
@@ -1,3 +1,8 @@
+/*
+ *	Copyright 2010, Michael Lotz, mmlr@mlotz.ch. All Rights Reserved.
+ *	Distributed under the terms of the MIT License.
+ */
+
 #include "pci_arch_info.h"
 
 void
diff --git a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.h b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.h
index f673edbcf8..544eec9a65 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.h
+++ b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_info.h
@@ -1,3 +1,7 @@
+/*
+ *	Copyright 2010, Michael Lotz, mmlr@mlotz.ch. All Rights Reserved.
+ *	Distributed under the terms of the MIT License.
+ */
 #ifndef _PCI_ARCH_INFO_H
 #define _PCI_ARCH_INFO_H
 
diff --git a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_module.cpp b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_module.cpp
index eecd984d22..a26b35daed 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_module.cpp
+++ b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_arch_module.cpp
@@ -1,3 +1,8 @@
+/*
+ *	Copyright 2010, Michael Lotz, mmlr@mlotz.ch. All Rights Reserved.
+ *	Distributed under the terms of the MIT License.
+ */
+
 #include <PCI_x86.h>
 #include "pci_msi.h"
 
diff --git a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.cpp b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.cpp
index ad33a7b8fe..880c0c804c 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.cpp
+++ b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.cpp
@@ -1,3 +1,8 @@
+/*
+ *	Copyright 2010, Michael Lotz, mmlr@mlotz.ch. All Rights Reserved.
+ *	Distributed under the terms of the MIT License.
+ */
+
 #include "pci_msi.h"
 #include "pci_arch_info.h"
 #include "pci.h"
diff --git a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.h b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.h
index d80a8571d0..849e3b25df 100644
--- a/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.h
+++ b/src/add-ons/kernel/bus_managers/pci/arch/x86/pci_msi.h
@@ -1,3 +1,7 @@
+/*
+ *	Copyright 2010, Michael Lotz, mmlr@mlotz.ch. All Rights Reserved.
+ *	Distributed under the terms of the MIT License.
+ */
 #ifndef _PCI_x86_MSI_H
 #define _PCI_x86_MSI_H