diff --git a/extra/beta/update-version.js b/extra/beta/update-version.js
index df2cb40a6..7abac5efe 100644
--- a/extra/beta/update-version.js
+++ b/extra/beta/update-version.js
@@ -32,6 +32,10 @@ if (! exists) {
     process.exit(1);
 }
 
+/**
+ * Commit updated files
+ * @param {string} version Version to update to
+ */
 function commit(version) {
     let msg = "Update to " + version;
 
@@ -47,6 +51,10 @@ function commit(version) {
     console.log(res.stdout.toString().trim());
 }
 
+/**
+ * Create a tag with the specified version
+ * @param {string} version Tag to create
+ */
 function tag(version) {
     let res = childProcess.spawnSync("git", [ "tag", version ]);
     console.log(res.stdout.toString().trim());
@@ -55,6 +63,11 @@ function tag(version) {
     console.log(res.stdout.toString().trim());
 }
 
+/**
+ * Check if a tag exists for the specified version
+ * @param {string} version Version to check
+ * @returns {boolean} Does the tag already exist
+ */
 function tagExists(version) {
     if (! version) {
         throw new Error("invalid version");
diff --git a/extra/download-cloudflared.js b/extra/download-cloudflared.js
index 41519b7ca..74b9bad2a 100644
--- a/extra/download-cloudflared.js
+++ b/extra/download-cloudflared.js
@@ -25,6 +25,10 @@ if (platform === "linux/amd64") {
 const file = fs.createWriteStream("cloudflared.deb");
 get("https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-" + arch + ".deb");
 
+/**
+ * Download specified file
+ * @param {string} url URL to request
+ */
 function get(url) {
     http.get(url, function (res) {
         if (res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) {
diff --git a/extra/remove-2fa.js b/extra/remove-2fa.js
index 0f3f63462..f88c43fca 100644
--- a/extra/remove-2fa.js
+++ b/extra/remove-2fa.js
@@ -43,6 +43,11 @@ const main = async () => {
     console.log("Finished.");
 };
 
+/**
+ * Ask question of user
+ * @param {string} question Question to ask
+ * @returns {Promise<string>} Users response
+ */
 function question(question) {
     return new Promise((resolve) => {
         rl.question(question, (answer) => {
diff --git a/extra/reset-password.js b/extra/reset-password.js
index 8036a4566..168983312 100644
--- a/extra/reset-password.js
+++ b/extra/reset-password.js
@@ -53,6 +53,11 @@ const main = async () => {
     console.log("Finished.");
 };
 
+/**
+ * Ask question of user
+ * @param {string} question Question to ask
+ * @returns {Promise<string>} Users response
+ */
 function question(question) {
     return new Promise((resolve) => {
         rl.question(question, (answer) => {
diff --git a/extra/simple-dns-server.js b/extra/simple-dns-server.js
index 376dbdd04..a6946dcb3 100644
--- a/extra/simple-dns-server.js
+++ b/extra/simple-dns-server.js
@@ -135,6 +135,11 @@ server.listen({
     udp: 5300
 });
 
+/**
+ * Get human readable request type from request code
+ * @param {number} code Request code to translate
+ * @returns {string} Human readable request type
+ */
 function type(code) {
     for (let name in Packet.TYPE) {
         if (Packet.TYPE[name] === code) {
diff --git a/extra/simple-mqtt-server.js b/extra/simple-mqtt-server.js
index 238d27726..b970a380e 100644
--- a/extra/simple-mqtt-server.js
+++ b/extra/simple-mqtt-server.js
@@ -11,6 +11,7 @@ class SimpleMqttServer {
         this.port = port;
     }
 
+    /** Start the MQTT server */
     start() {
         this.server.listen(this.port, () => {
             console.log("server started and listening on port ", this.port);
diff --git a/extra/update-version.js b/extra/update-version.js
index d5c2ee5ca..246e1c1c4 100644
--- a/extra/update-version.js
+++ b/extra/update-version.js
@@ -36,10 +36,8 @@ if (! exists) {
 }
 
 /**
- * Updates the version number in package.json and commits it to git.
- * @param {string} version - The new version number
- *
- * Generated by Trelent
+ * Commit updated files
+ * @param {string} version Version to update to
  */
 function commit(version) {
     let msg = "Update to " + version;
@@ -53,16 +51,19 @@ function commit(version) {
     }
 }
 
+/**
+ * Create a tag with the specified version
+ * @param {string} version Tag to create
+ */
 function tag(version) {
     let res = childProcess.spawnSync("git", [ "tag", version ]);
     console.log(res.stdout.toString().trim());
 }
 
 /**
- * Checks if a given version is already tagged in the git repository.
- * @param {string} version - The version to check for.
- *
- * Generated by Trelent
+ * Check if a tag exists for the specified version
+ * @param {string} version Version to check
+ * @returns {boolean} Does the tag already exist
  */
 function tagExists(version) {
     if (! version) {
diff --git a/extra/update-wiki-version.js b/extra/update-wiki-version.js
index 65b7e7b08..880bc5568 100644
--- a/extra/update-wiki-version.js
+++ b/extra/update-wiki-version.js
@@ -10,6 +10,10 @@ if (!newVersion) {
 
 updateWiki(newVersion);
 
+/**
+ * Update the wiki with new version number
+ * @param {string} newVersion Version to update to
+ */
 function updateWiki(newVersion) {
     const wikiDir = "./tmp/wiki";
     const howToUpdateFilename = "./tmp/wiki/🆙-How-to-Update.md";
@@ -39,6 +43,10 @@ function updateWiki(newVersion) {
     safeDelete(wikiDir);
 }
 
+/**
+ * Check if a directory exists before deleting
+ * @param {string} dir Directory to delete
+ */
 function safeDelete(dir) {
     if (fs.existsSync(dir)) {
         fs.rm(dir, {