diff --git a/modules/nixos/programs/distrobox.nix b/modules/nixos/programs/distrobox.nix
index f694ef85..85379e31 100644
--- a/modules/nixos/programs/distrobox.nix
+++ b/modules/nixos/programs/distrobox.nix
@@ -22,14 +22,16 @@ let
   distroboxConf = { }: {
     type = with lib.types;
       let
-        valueType = oneOf [
+        valueType = (oneOf [
           bool
           float
           int
           path
           str
           (listOf valueType)
-        ];
+        ]) // {
+          description = "Distrobox settings value";
+        };
       in
       attrsOf valueType;