diff --git a/nixos/modules/services/monitoring/prometheus/node-exporter.nix b/nixos/modules/services/monitoring/prometheus/node-exporter.nix
index 0cf0b85afb57..b5b852438d77 100644
--- a/nixos/modules/services/monitoring/prometheus/node-exporter.nix
+++ b/nixos/modules/services/monitoring/prometheus/node-exporter.nix
@@ -33,7 +33,7 @@ in {
         default = [];
         example = ''[ "systemd" ]'';
         description = ''
-          Collectors to enable, additionally to the defaults.
+          Collectors to enable. Only collectors explicitly listed here will be enabled.
         '';
       };