diff --git a/types/bn.js/index.d.ts b/types/bn.js/index.d.ts
index 20b3edbe72..9ec2e2248c 100644
--- a/types/bn.js/index.d.ts
+++ b/types/bn.js/index.d.ts
@@ -1,7 +1,9 @@
 // Type definitions for bn.js 4.11
 // Project: https://github.com/indutny/bn.js
 // Definitions by: Leonid Logvinov <https://github.com/LogvinovLeon>
+//                 Henry Nguyen <https://github.com/HenryNguyen5>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.9
 
 /// <reference types="node"/>