diff --git a/src/machine/m_at.c b/src/machine/m_at.c
index 089a73a10..fea87c8f6 100644
--- a/src/machine/m_at.c
+++ b/src/machine/m_at.c
@@ -13,10 +13,12 @@
  * Authors: Fred N. van Kempen, <decwiz@yahoo.com>
  *          Miran Grca, <mgrca8@gmail.com>
  *          Sarah Walker, <https://pcem-emulator.co.uk/>
+ *          Jasmine Iwanek, <jriwanek@gmail.com>
  *
  *          Copyright 2017-2020 Fred N. van Kempen.
  *          Copyright 2016-2020 Miran Grca.
  *          Copyright 2008-2020 Sarah Walker.
+ *          Copyright 2025      Jasmine Iwanek.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,7 +38,6 @@
  *   Boston, MA 02111-1307
  *   USA.
  */
-
 #include <stdio.h>
 #include <stdint.h>
 #include <string.h>
diff --git a/src/machine/m_xt.c b/src/machine/m_xt.c
index ece2e6578..db511c332 100644
--- a/src/machine/m_xt.c
+++ b/src/machine/m_xt.c
@@ -1,3 +1,25 @@
+/*
+ * 86Box    A hypervisor and IBM PC system emulator that specializes in
+ *          running old operating systems and software designed for IBM
+ *          PC systems and compatibles from 1981 through fairly recent
+ *          system designs based on the PCI bus.
+ *
+ *          This file is part of the 86Box distribution.
+ *
+ *          Standard PC/AT implementation.
+ *
+ *
+ *
+ * Authors: Fred N. van Kempen, <decwiz@yahoo.com>
+ *          Miran Grca, <mgrca8@gmail.com>
+ *          Sarah Walker, <https://pcem-emulator.co.uk/>
+ *          Jasmine Iwanek, <jriwanek@gmail.com>
+ *
+ *          Copyright 2017-2020 Fred N. van Kempen.
+ *          Copyright 2016-2020 Miran Grca.
+ *          Copyright 2008-2020 Sarah Walker.
+ *          Copyright 2025      Jasmine Iwanek.
+ */
 #include <stdio.h>
 #include <stdint.h>
 #include <string.h>
diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 48a024e08..3fc3bcc8a 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -15,9 +15,11 @@
  *
  * Authors: Miran Grca, <mgrca8@gmail.com>
  *          Fred N. van Kempen, <decwiz@yahoo.com>
+ *          Jasmine Iwanek, <jriwanek@gmail.com>
  *
  *          Copyright 2016-2020 Miran Grca.
  *          Copyright 2017-2020 Fred N. van Kempen.
+ *          Copyright 2025      Jasmine Iwanek.
  */
 #include <stdio.h>
 #include <stdint.h>