diff --git a/react-dnd-html5-backend/react-dnd-html5-backend-tests.ts b/react-dnd-html5-backend/react-dnd-html5-backend-tests.ts
index 031c778653..c67f4b9ef5 100644
--- a/react-dnd-html5-backend/react-dnd-html5-backend-tests.ts
+++ b/react-dnd-html5-backend/react-dnd-html5-backend-tests.ts
@@ -1,4 +1,4 @@
-///
+///
"use strict";
// Test adapted from the ReactDnD chess game tutorial: