diff --git a/stefan/keys b/stefan/keys
index 3dd1bea..2f32d13 100644
--- a/stefan/keys
+++ b/stefan/keys
@@ -21,4 +21,5 @@ ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABgQDp9Z7qICYcHJbFYEWPsr2YkLt2Du1x5a+CX9WZcGMn
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAl/eRfWdwWVdRCDAjmcYNPRer2nxGHHj+48BaIPj2/D root@nauheim1
 
 # X390 Stefan
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHRm8aEN/gM9Nth6Fe8Ch0wkJbBi1y1lUfrosL89olbK stefa@X390Stefan
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHRm8aEN/gM9Nth6Fe8Ch0wkJbBi1y1lUfrosL89olbK stefa@X390Stefan # windows
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKyExxvSZeZjI5EFU7C66Zyr75dpQG+55AX9P+ZWa9th stefan@x390debian # debian