diff --git a/articles/static/edit-keymap.js b/articles/static/edit-keymap.js
index b0fbd21..bf2a8d4 100644
--- a/articles/static/edit-keymap.js
+++ b/articles/static/edit-keymap.js
@@ -1,11 +1,10 @@
 'use strict';
-// Explicitely not using ES 6 features because the compressor doesn't support them.
 window.onload = function () {
-    var adminLinkElement = document.querySelector("a#admin-link");
+    const adminLinkElement = document.querySelector("a#admin-link");
     if (adminLinkElement === undefined || adminLinkElement === null) {
         return;
     }
-    var adminLocation = adminLinkElement.href;
+    const adminLocation = adminLinkElement.href;
     document.addEventListener("keydown", function(event) {
         if (event.code === "KeyE") {
             window.location = adminLocation;