diff --git a/nixos/modules/services/monitoring/prometheus/default.nix b/nixos/modules/services/monitoring/prometheus/default.nix
index b2df0f5b79a3..367250e28133 100644
--- a/nixos/modules/services/monitoring/prometheus/default.nix
+++ b/nixos/modules/services/monitoring/prometheus/default.nix
@@ -591,7 +591,7 @@ let
       '';
 
       refresh_interval = mkDefOpt types.str "60s" ''
-        Refresh interval to re-read the instance list.
+        Refresh interval to re-read the cloud instance list.
       '';
 
       port = mkDefOpt types.int "80" ''