1 files changed, 2 insertions, 2 deletions
diff --git a/nixpkgs/nixos/modules/programs/extra-container.nix b/nixpkgs/nixos/modules/programs/extra-container.nix
index c10ccd769168..5e717c4d8223 100644
--- a/nixpkgs/nixos/modules/programs/extra-container.nix
+++ b/nixpkgs/nixos/modules/programs/extra-container.nix
@@ -5,10 +5,10 @@ let
   cfg = config.programs.extra-container;
 in {
   options = {
-    programs.extra-container.enable = mkEnableOption ''
+    programs.extra-container.enable = mkEnableOption (lib.mdDoc ''
       extra-container, a tool for running declarative NixOS containers
       without host system rebuilds
-    '';
+    '');
   };
   config = mkIf cfg.enable {
     environment.systemPackages = [ pkgs.extra-container ];