diff --git a/src/dat/controllers/CustomController.js b/src/dat/controllers/CustomController.js
index 6dd49d8..31c8c14 100644
--- a/src/dat/controllers/CustomController.js
+++ b/src/dat/controllers/CustomController.js
@@ -14,7 +14,7 @@ import Controller from './Controller';
 
 /**
  * @class Represents a custom controller.
- * @param {init} callback function for adding of elements into this.domElement
+ * @param {Function} init callback function for adding of elements into this.domElement
  */
 class CustomController extends Controller{
     constructor(init) {