diff --git a/src/device/keyboard_at.c b/src/device/keyboard_at.c
index 3b167d66f..21c4884b7 100644
--- a/src/device/keyboard_at.c
+++ b/src/device/keyboard_at.c
@@ -8,9 +8,11 @@
  *
  *          Implementation of PS/2 series Mouse devices.
  *
+ * Authors: Miran Grca, <mgrca8@gmail.com>
+ *          Fred N. van Kempen, <decwiz@yahoo.com>
  *
- *
- * Authors: Fred N. van Kempen, <decwiz@yahoo.com>
+ *          Copyright 2016-2023 Miran Grca.
+ *          Copyright 2017-2023 Fred N. van Kempen.
  */
 #include <stdarg.h>
 #include <stdio.h>
diff --git a/src/device/mouse_ps2.c b/src/device/mouse_ps2.c
index 251459199..c05753afb 100644
--- a/src/device/mouse_ps2.c
+++ b/src/device/mouse_ps2.c
@@ -8,9 +8,9 @@
  *
  *          Implementation of PS/2 series Mouse devices.
  *
+ * Authors: Miran Grca, <mgrca8@gmail.com>
  *
- *
- * Authors: Fred N. van Kempen, <decwiz@yahoo.com>
+ *          Copyright 2023 Miran Grca.
  */
 #include <stdarg.h>
 #include <stdatomic.h>
diff --git a/src/device/mouse_serial.c b/src/device/mouse_serial.c
index c135f28ec..4e3720d1d 100644
--- a/src/device/mouse_serial.c
+++ b/src/device/mouse_serial.c
@@ -10,9 +10,9 @@
  *
  * TODO:    Add the Genius Serial Mouse.
  *
+ * Authors: Miran Grca, <mgrca8@gmail.com>
  *
- *
- * Authors: Fred N. van Kempen, <decwiz@yahoo.com>
+ *          Copyright 2023 Miran Grca.
  */
 #include <math.h>
 #include <stdarg.h>
diff --git a/src/device/phoenix_486_jumper.c b/src/device/phoenix_486_jumper.c
index dbdfbe946..a3c891c90 100644
--- a/src/device/phoenix_486_jumper.c
+++ b/src/device/phoenix_486_jumper.c
@@ -6,15 +6,16 @@
  *
  *          This file is part of the 86Box distribution.
  *
- *          Implementation of the Phoenix 486 Jumper Readout
+ *          Implementation of the Phoenix 486 Jumper Readout.
  *
  *
  *
- * Authors: Tiseno100
+ * Authors: Miran Grca, <mgrca8@gmail.com>
+ *          Tiseno100,
  *
- *          Copyright 2020 Tiseno100
+ *          Copyright 2020-2023 Miran Grca.
+ *          Copyright 2020-2023 Tiseno100.
  */
-
 #include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>