diff --git a/script.js b/script.js
index 54c44c9..0102d58 100644
--- a/script.js
+++ b/script.js
@@ -1,3 +1,4 @@
+/*jshint esversion: 6 */
 // Fetching the run value for the first time
 fetch ("run.txt")
     .then(x => x.text())