diff --git a/hosts/andromache/default.nix b/hosts/andromache/default.nix
index ba8b36d..02efaf6 100644
--- a/hosts/andromache/default.nix
+++ b/hosts/andromache/default.nix
@@ -122,6 +122,7 @@ in
   };
 
   networking = {
+    # TODO: generate unique hostId on actual host with: head -c 8 /etc/machine-id
     hostId = "80eef97e";
     interfaces = {
       eno1 = {
diff --git a/hosts/astyanax/default.nix b/hosts/astyanax/default.nix
index 08d9cb1..ab67819 100644
--- a/hosts/astyanax/default.nix
+++ b/hosts/astyanax/default.nix
@@ -83,6 +83,7 @@ in
   };
 
   networking = {
+    # TODO: generate unique hostId on actual host with: head -c 8 /etc/machine-id
     hostId = "80eef97e";
   };