diff --git a/Frontend/assets/scripts/frame.js b/Frontend/assets/scripts/frame.js
index f6db24d..493333a 100644
--- a/Frontend/assets/scripts/frame.js
+++ b/Frontend/assets/scripts/frame.js
@@ -59,9 +59,9 @@ function init() {
  */
 function changeActiveTools(activeCategoryButton) {
     let toolList = document.getElementById("toolList").children;
-    let categoryToClass = new Map(["XML",  "xmlTool"],
-                                  ["JSON", "jsonTool"],
-                                  ["REST", "restTool"]);
+    let categoryToClass = new Map([["XML",  "xmlTool"],
+                                   ["JSON", "jsonTool"],
+                                   ["REST", "restTool"]]);
     
     let activeClass = categoryToClass.get(activeCategoryButton.toUpperCase());
     if(activeClass == null) return;