diff --git a/openui5/index.d.ts b/openui5/index.d.ts
index 2cfcadc323..b6c1a14d1c 100644
--- a/openui5/index.d.ts
+++ b/openui5/index.d.ts
@@ -1,3 +1,8 @@
+// Type definitions for OpenUI5 1.40
+// Project: http://openui5.org/
+// Definitions by: Lukas May <https://www.dscsag.com/>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
 /// <reference path="./sap.m.d.ts" />
 /// <reference path="./sap.ui.d.ts" />
 /// <reference path="./jquery.sap.d.ts" />
\ No newline at end of file