diff --git a/linq4js/index.d.ts b/linq4js/index.d.ts
index 4fe054d5fc..e108f31a4c 100644
--- a/linq4js/index.d.ts
+++ b/linq4js/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Linq4JS 2.0
+// Type definitions for Linq4JS 2.1
 // Project: https://github.com/morrisjdev/Linq4JS
 // Definitions by: Morris Janatzek <https://github.com/morrisjdev>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped