fix

module.nix

@@ -41,7 +41,7 @@ in
       (lib.mkOption {
         default = "writefreely";
         type = lib.types.strMatching "[A-Za-z0-9][A-Za-z0-9\-]{0,61}[A-Za-z0-9]";
-        description = "Subdomain (changing subdomain after setting up will cause breakage of the federation!)";
+        description = "Subdomain (changing subdomain after enabling the federation will cause its breakage!)";
       })
       // {
         meta = {
@@ -63,6 +63,18 @@ in
           weight = 1;
         };
       };
+    description =
+      (lib.mkOption {
+        default = "WriteFreely instance.";
+        type = lib.types.str;
+        description = "Description of the WriteFreely instance. This makes no sense if the federation is not enabled.";
+      })
+      // {
+        meta = {
+          type = "string";
+          weight = 2;
+        };
+      };
     enableFederation =
       (lib.mkOption {
         default = false;
@@ -72,7 +84,7 @@ in
       // {
         meta = {
           type = "bool";
-          weight = 2;
+          weight = 3;
         };
       };
   };
@@ -101,6 +113,7 @@ in
         app = {
           host = lib.mkForce "https://${cfg.subdomain}.${sp.domain}";
           site_name = cfg.appName;
+          site_description = cfg.description;
           single_user = false;
           federation = cfg.enableFederation;
           disable_password_auth = true;