diff --git a/src/util.js b/src/util.js
index 14c683218..d68c20e5c 100644
--- a/src/util.js
+++ b/src/util.js
@@ -1,4 +1,8 @@
 "use strict";
+// Common Util for frontend and backend
+// Backend uses the compiled file util.js
+// Frontend uses util.ts
+// Need to run "tsc" to compile if there are any changes.
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.getRandomInt = exports.getRandomArbitrary = exports.TimeLogger = exports.polyfill = exports.debug = exports.ucfirst = exports.sleep = exports.flipStatus = exports.PENDING = exports.UP = exports.DOWN = exports.appName = exports.isDev = void 0;
 const _dayjs = require("dayjs");
@@ -22,6 +26,10 @@ function sleep(ms) {
     return new Promise(resolve => setTimeout(resolve, ms));
 }
 exports.sleep = sleep;
+/**
+ * PHP's ucfirst
+ * @param str
+ */
 function ucfirst(str) {
     if (!str) {
         return str;
@@ -37,11 +45,19 @@ function debug(msg) {
 }
 exports.debug = debug;
 function polyfill() {
+    /**
+     * String.prototype.replaceAll() polyfill
+     * https://gomakethings.com/how-to-replace-a-section-of-a-string-with-another-one-with-vanilla-js/
+     * @author Chris Ferdinandi
+     * @license MIT
+     */
     if (!String.prototype.replaceAll) {
         String.prototype.replaceAll = function (str, newStr) {
+            // If a regex pattern
             if (Object.prototype.toString.call(str).toLowerCase() === "[object regexp]") {
                 return this.replace(str, newStr);
             }
+            // If a string
             return this.replace(new RegExp(str, "g"), newStr);
         };
     }
@@ -58,10 +74,22 @@ class TimeLogger {
     }
 }
 exports.TimeLogger = TimeLogger;
+/**
+ * Returns a random number between min (inclusive) and max (exclusive)
+ */
 function getRandomArbitrary(min, max) {
     return Math.random() * (max - min) + min;
 }
 exports.getRandomArbitrary = getRandomArbitrary;
+/**
+ * From: https://stackoverflow.com/questions/1527803/generating-random-whole-numbers-in-javascript-in-a-specific-range
+ *
+ * Returns a random integer between min (inclusive) and max (inclusive).
+ * The value is no lower than min (or the next integer greater than min
+ * if min isn't an integer) and no greater than max (or the next integer
+ * lower than max if max isn't an integer).
+ * Using Math.round() will give you a non-uniform distribution!
+ */
 function getRandomInt(min, max) {
     min = Math.ceil(min);
     max = Math.floor(max);
diff --git a/src/util.ts b/src/util.ts
index 3b96f7b94..dafa7d3f4 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -59,7 +59,6 @@ export function polyfill() {
      */
     if (!String.prototype.replaceAll) {
         String.prototype.replaceAll = function (str: string, newStr: string) {
-
             // If a regex pattern
             if (Object.prototype.toString.call(str).toLowerCase() === "[object regexp]") {
                 return this.replace(str, newStr);
@@ -67,7 +66,6 @@ export function polyfill() {
 
             // If a string
             return this.replace(new RegExp(str, "g"), newStr);
-
         };
     }
 }
diff --git a/tsconfig.json b/tsconfig.json
index 41db8c524..b7637c3c9 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,7 +7,7 @@
             "es2020",
             "DOM",
         ],
-        "removeComments": true,
+        "removeComments": false,
         "preserveConstEnums": true,
         "sourceMap": false,
         "strict": true