diff --git a/types/terser/index.d.ts b/types/terser/index.d.ts
index 3e61a95655..887be7b2b5 100644
--- a/types/terser/index.d.ts
+++ b/types/terser/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/terser-js/terser
 // Definitions by: JordiAnderl <https://github.com/JordiAnderl>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 3
+// TypeScript Version: 3.0
 
 import * as MOZ_SourceMap from "source-map";