diff --git a/flake.nix b/flake.nix
index 1996f44..97cd7d7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -106,6 +106,8 @@
           imports = x86_64-linux-modules;
         };
 
+      # Constructs a deploy.json output that can be used to deploy the runners
+      # https://docs.cachix.org/deploy/reference#deploy-json
       deploy-json = 
         let
           inherit (common "aarch64-linux") cachix-deploy-lib;