diff --git a/types/twitch-ext/index.d.ts b/types/twitch-ext/index.d.ts
index 2aa518fb43..cb02f14538 100644
--- a/types/twitch-ext/index.d.ts
+++ b/types/twitch-ext/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for non-npm package twitch-ext 1.15
 // Project: https://dev.twitch.tv/docs/extensions/reference/#javascript-helper
 // Definitions by: Benedict Etzel <https://github.com/beheh>
+//                 Federico Della Rovere <https://github.com/FedeDR>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.4