diff --git a/applications/prometheus.nix b/applications/prometheus.nix
index 76281e3..eb15c48 100644
--- a/applications/prometheus.nix
+++ b/applications/prometheus.nix
@@ -47,7 +47,7 @@ in {
     {
       services.prometheus.exporters.node = {
         enable = true;
-        # most collectors are on by default see docs for more options
+        # most collectors are on by default see https://github.com/prometheus/node_exporter for more options
         enabledCollectors = ["systemd"];
         port = cfg.port_collecter;
       };