diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..726d2d6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+result
+.direnv
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..cc30810
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1657114324,
+        "narHash": "sha256-fWuaUNXrHcz/ciHRHlcSO92dvV3EVS0GJQUSBO5JIB4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a5c867d9fe9e4380452628e8f171c26b69fa9d3d",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1656928814,
+        "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..47ecf0e
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,24 @@
+{
+  description = "A basic Go web server setup";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, utils }:
+    utils.lib.eachSystem [
+      "x86_64-linux"
+      "aarch64-linux"
+      "x86_64-darwin"
+      "aarch64-darwin"
+    ] (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        version = builtins.substring 0 8 self.lastModifiedDate;
+      in {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [ dhall dhall-lsp-server dhall-json ];
+        };
+      });
+}
diff --git a/types/toMD/area.dhall b/types/toMD/area.dhall
index 2ca97ca..12e6366 100644
--- a/types/toMD/area.dhall
+++ b/types/toMD/area.dhall
@@ -39,7 +39,7 @@ in  λ(area : Area.Type) →
                         Prelude.Text.concatMapSep "\n\n" NPC.Type toMD.npc
 
                   in  ''
-                      ## NPCs
+                      #### NPCs
 
                       ${showNPCs area.npcs}
                       ''
diff --git a/types/toMD/npc.dhall b/types/toMD/npc.dhall
index f14f466..a660948 100644
--- a/types/toMD/npc.dhall
+++ b/types/toMD/npc.dhall
@@ -40,7 +40,7 @@ in  λ(npc : NPC.Type) →
             else  ""
 
       in  ''
-          #### ${npc.name}
+          ##### ${npc.name}
 
           A ${toMD.species npc.species} ${npc.job}.