diff --git a/packages/0x.js/src/utils/class_utils.ts b/packages/0x.js/src/utils/class_utils.ts
index de7e99cd96..b89d3ba32b 100644
--- a/packages/0x.js/src/utils/class_utils.ts
+++ b/packages/0x.js/src/utils/class_utils.ts
@@ -1,6 +1,7 @@
 import * as _ from 'lodash';
 
 export const classUtils = {
+    // This is usefull for classes that have nested methods. Nested methods don't get binded out of the box.
     bindAll(self: any, exclude: string[] = ['contructor'], thisArg?: any): void {
         for (const key of Object.getOwnPropertyNames(self)) {
             const val = self[key];