diff --git a/types/npm-package-arg/index.d.ts b/types/npm-package-arg/index.d.ts
index 0aa0d7f28e..d83c95a6a7 100644
--- a/types/npm-package-arg/index.d.ts
+++ b/types/npm-package-arg/index.d.ts
@@ -1,6 +1,7 @@
-// Type definitions for npm-package-arg 5.1
+// Type definitions for npm-package-arg 6.1
 // Project: https://github.com/npm/npm-package-arg
 // Definitions by: Melvin Groenhoff <https://github.com/mgroenhoff>
+//                 Jason <https://github.com/OiYouYeahYou>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.1