diff --git a/local-types.js b/local-types.js
index bdfbe74..e52085c 100644
--- a/local-types.js
+++ b/local-types.js
@@ -1,4 +1,5 @@
 /**
+ * @typedef {import('./types.js').RequestOptions} RequestOptions
  * @typedef {import('./types.js').Response} Response
  * @typedef {import('./types.js').Headers} Headers
  */
diff --git a/types.js b/types.js
index f5770ad..4a75e07 100644
--- a/types.js
+++ b/types.js
@@ -4,16 +4,20 @@ module.exports._typesOnly = true;
 
 /**
  * @callback Request
- * @param {Object} opts
- * @param {any} [opts.body]
- * @param {Object.<String,any>} [opts.form]
- * @param {Headers} [opts.headers]
- * @param {String} [opts.method]
- * @param {Boolean | any} [opts.json]
- * @param {String} opts.url
+ * @param {RequestOptions} opts
  * @returns {Response}
  */
 
+/**
+ * @typedef {Object} RequestOptions
+ * @prop {any} [opts.body]
+ * @prop {Object.<String,any>} [opts.form]
+ * @prop {Headers} [opts.headers]
+ * @prop {String} [opts.method]
+ * @prop {Boolean | any} [opts.json]
+ * @prop {String} opts.url
+ */
+
 /**
  * @typedef {Object} Response
  * @prop {any} body