diff --git a/server.js b/server.js
index 4cda91ae8..05b9cec7a 100644
--- a/server.js
+++ b/server.js
@@ -735,6 +735,8 @@ const preSetupTasks = async function () {
 
 /**
  * Gets the hostname to use for autorun in the browser.
+ * @param {boolean} useIPv6 If use IPv6
+ * @param {boolean} useIPv4 If use IPv4
  * @returns Promise<string> The hostname to use for autorun
  */
 async function getAutorunHostname(useIPv6, useIPv4) {
@@ -861,6 +863,8 @@ function logSecurityAlert(message) {
  * Handles the case where the server failed to start on one or both protocols.
  * @param {boolean} v6Failed If the server failed to start on IPv6
  * @param {boolean} v4Failed If the server failed to start on IPv4
+ * @param {boolean} useIPv6 If use IPv6
+ * @param {boolean} useIPv4 If use IPv4
  */
 function handleServerListenFail(v6Failed, v4Failed, useIPv6, useIPv4) {
     if (v6Failed && !useIPv4) {
@@ -882,6 +886,7 @@ function handleServerListenFail(v6Failed, v4Failed, useIPv6, useIPv4) {
 /**
  * Creates an HTTPS server.
  * @param {URL} url The URL to listen on
+ * @param {number} ipVersion the ip version to use
  * @returns {Promise<void>} A promise that resolves when the server is listening
  * @throws {Error} If the server fails to start
  */
@@ -909,6 +914,7 @@ function createHttpsServer(url, ipVersion) {
 /**
  * Creates an HTTP server.
  * @param {URL} url The URL to listen on
+ * @param {number} ipVersion the ip version to use
  * @returns {Promise<void>} A promise that resolves when the server is listening
  * @throws {Error} If the server fails to start
  */
@@ -929,6 +935,12 @@ function createHttpServer(url, ipVersion) {
     });
 }
 
+
+/**
+ * Starts the server using http or https depending on config
+ * @param {boolean} useIPv6 If use IPv6
+ * @param {boolean} useIPv4 If use IPv4
+ */
 async function startHTTPorHTTPS(useIPv6, useIPv4) {
     let v6Failed = false;
     let v4Failed = false;
diff --git a/src/util.js b/src/util.js
index c11de84e8..07422a7ef 100644
--- a/src/util.js
+++ b/src/util.js
@@ -696,6 +696,7 @@ export function isValidUrl(url) {
 /**
  * removes starting `[` or ending `]` from hostname.
  * @param {string} hostname hostname to use
+ * @returns {string} hostname plus the modifications
  */
 export function urlHostnameToIPv6(hostname) {
     if (hostname.startsWith('[')) {
@@ -712,6 +713,7 @@ export function urlHostnameToIPv6(hostname) {
  * @param {string} name Domain name to use
  * @param {boolean} useIPv6 If use IPv6
  * @param {boolean} useIPv4 If use IPv4
+ * @returns Promise<boolean> If the URL is valid
  */
 export async function canResolve(name, useIPv6 = true, useIPv4 = true) {
     try {
@@ -747,6 +749,7 @@ export async function canResolve(name, useIPv6 = true, useIPv4 = true) {
 /**
  * converts string to boolean accepts 'true' or 'false' else it returns the string put in
  * @param {string} str Input string
+ * @returns {boolean|string} boolean else original input string
  */
 export function stringToBool(str) {
     if (str === 'true') return true;