diff --git a/lib/authorization-code-grant-type.js b/lib/authorization-code-grant-type.js
index 3c8c9a2..6e07acc 100644
--- a/lib/authorization-code-grant-type.js
+++ b/lib/authorization-code-grant-type.js
@@ -41,7 +41,7 @@ module.exports = class AuthorizationCode {
 
   /**
    * Requests and returns an access token from the authorization server
-   *
+   * @param {Object} params
    * @param {String} params.code Authorization code (from previous step)
    * @param {String} params.redirectURI String representing the registered application URI where the user is redirected after authentication
    * @param {String|Array<String>} [params.scope] String or array of strings representing the application privileges