diff --git a/types/mem-cache/index.d.ts b/types/mem-cache/index.d.ts
index 2bf77e8c71..fbee520d33 100644
--- a/types/mem-cache/index.d.ts
+++ b/types/mem-cache/index.d.ts
@@ -1,3 +1,8 @@
+// Type definitions for mem-cache v0.0.5
+// Project: https://github.com/silviom/node-mem-cache
+// Definitions by: Pedro Mutter <https://github.com/MutterPedro>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
 import { EventEmitter } from 'events';
 
 export interface ICacheOptions {