diff --git a/src/devices/cpu/arm/arm.cpp b/src/devices/cpu/arm/arm.cpp
index 1ad73f69684..36edaf942f5 100644
--- a/src/devices/cpu/arm/arm.cpp
+++ b/src/devices/cpu/arm/arm.cpp
@@ -1,7 +1,6 @@
 // license:BSD-3-Clause
-// copyright-holders:Bryan McPhail
-/* arm.c
-
+// copyright-holders:Bryan McPhail, Phil Stroffolino
+/*
     ARM 2/3/6 Emulation (26 bit address bus)
 
     Todo:
diff --git a/src/devices/cpu/arm/arm.h b/src/devices/cpu/arm/arm.h
index d710e6ed517..27f764e26df 100644
--- a/src/devices/cpu/arm/arm.h
+++ b/src/devices/cpu/arm/arm.h
@@ -1,5 +1,6 @@
 // license:BSD-3-Clause
-// copyright-holders:Bryan McPhail
+// copyright-holders:Bryan McPhail, Phil Stroffolino
+
 #ifndef MAME_CPU_ARM_ARM_H
 #define MAME_CPU_ARM_ARM_H
 
diff --git a/src/devices/cpu/arm/armdasm.cpp b/src/devices/cpu/arm/armdasm.cpp
index af4a9be5bd7..b56e60161af 100644
--- a/src/devices/cpu/arm/armdasm.cpp
+++ b/src/devices/cpu/arm/armdasm.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Bryan McPhail,Phil Stroffolino
+// copyright-holders:Bryan McPhail, Phil Stroffolino
 /*
     ARM 2/3 disassembler
 
diff --git a/src/devices/cpu/arm/armdasm.h b/src/devices/cpu/arm/armdasm.h
index 15e66fe0323..273623e0282 100644
--- a/src/devices/cpu/arm/armdasm.h
+++ b/src/devices/cpu/arm/armdasm.h
@@ -1,3 +1,5 @@
+// license:BSD-3-Clause
+// copyright-holders:Bryan McPhail, Phil Stroffolino
 
 #ifndef MAME_CPU_ARM_ARMDASM_H
 #define MAME_CPU_ARM_ARMDASM_H