diff --git a/nixos/machines/cherry/telemetry/opentelemetry.nix b/nixos/machines/cherry/telemetry/opentelemetry.nix
index af40aab..fdc360c 100644
--- a/nixos/machines/cherry/telemetry/opentelemetry.nix
+++ b/nixos/machines/cherry/telemetry/opentelemetry.nix
@@ -51,6 +51,7 @@
               targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.node.port}" ];
               labels = {
                 service = "node-exporter";
+                # todo : use a processor for this
                 server = config.networking.hostName;
               };
             }];
diff --git a/nixos/machines/chungus/telemetry/opentelemetry.nix b/nixos/machines/chungus/telemetry/opentelemetry.nix
index 83953e1..124afd1 100644
--- a/nixos/machines/chungus/telemetry/opentelemetry.nix
+++ b/nixos/machines/chungus/telemetry/opentelemetry.nix
@@ -56,7 +56,9 @@
             static_configs = [{
               targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.node.port}" ];
               labels = {
+                # todo : this is not really needed (right?)
                 service = "node-exporter";
+                # todo : use a processor for this
                 server = config.networking.hostName;
               };
             }];