diff --git a/src/network/net_modem.c b/src/network/net_modem.c
index 64e16d920..b79669da7 100644
--- a/src/network/net_modem.c
+++ b/src/network/net_modem.c
@@ -1,5 +1,22 @@
 
-/* TODO: SLIP support. */
+/*
+ * 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.
+ *
+ *          Hayes AT-compliant modem emulation.
+ *
+ *
+ *
+ * Authors: Cacodemon345
+ *          The DOSBox Team
+ *
+ *          Copyright 2024 Cacodemon345
+ *          Copyright 2002-2021 The DOSBox Team
+ */
 
 #include <stdarg.h>
 #include <stdio.h>