diff --git a/usr/bin/watchdog b/usr/bin/watchdog
index aaa0047..cdd268f 100644
--- a/usr/bin/watchdog
+++ b/usr/bin/watchdog
@@ -1,3 +1,6 @@
+#  Version 1.0:
+#  Created 2024 by Tim Eertmoed, Christian Hampp @ WiS IT-Solutions GmbH, Germany to work on Raspian as custom pxe init script.
+
 #!/bin/bash
 watchdog=$(sudo cat /var/lib/dhcp/* | grep -a "option watchdog" | tail -1 | \
 awk '{for (i=3; i<=NF; i++) printf "%s ", $i}' | tr -d '";')