diff --git a/README.md b/README.md
index 2c9dc91..224bbbb 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ PUSHOVER_APP_TOKEN=dein_pushover_app_token
 TESTFLIGHT_URLS='[{"name":"App 1", "url":"https://testflight.apple.com/join/abcd1234"}]'
 OTP_SECRET=AendereDiesenString
 OTP_VALIDITY=300
-USER_AGENT=Testflight-Watcher/0.0.1
+USER_AGENT=Testflight-Watcher/0.0.2
 PORT=3000
 HTTP_URL=http://localhost:3000
 PUSHOVER_PRIORITY=1
diff --git a/index.js b/index.js
index aa399f1..8d52ea5 100644
--- a/index.js
+++ b/index.js
@@ -9,21 +9,21 @@ const crypto = require("crypto");
 const path = require("path");
 const express = require("express");
 
-const CURRENT_VERSION = "0.0.1";
+const CURRENT_VERSION = "0.0.2";
 const UPDATE_CHECK_URL =
   "https://git.lunoxia.net/MaximilianGT500/testflight-watcher/raw/branch/main/version.json";
 const SETUP_FILE_NAME = process.env.SETUP_FILE_NAME || "setup.js";
 const SERVER_FILE_NAME = process.env.SERVER_FILE_NAME || "index.js";
 const USER_AGENT =
-  process.env.USER_AGENT || "Testflight-Watcher/0.0.1 (Monitoring Script)";
+  process.env.USER_AGENT || "Testflight-Watcher/0.0.2 (Monitoring Script)";
 const OTP_SECRET = process.env.OTP_SECRET || "AendereDiesenString";
-const OTP_VALIDITY = process.env.OTP_VALIDITY || "300";
+const OTP_VALIDITY = process.env.OTP_VALIDITY || "5 * 60 * 1000";
 const PORT = process.env.PORT || "3000";
 const HTTP_URL = process.env.HTTP_URL || `http://localhost:${PORT}`;
 const PUSHOVER_PRIORITY = process.env.PUSHOVER_PRIORITY || `1`;
 const CHECK_INTERVAL = process.env.CHECK_INTERVAL || `30`;
 let TESTFLIGHT_URLS = [];
-let OTP_STOREAGE = {};
+let OTP_STORAGE = {};
 
 function loadConfig() {
   if (!fs.existsSync(".env")) {
@@ -146,7 +146,7 @@ async function checkTestFlight(app, pushoverAPI) {
       return clc.red(`❌ ${app.name}: Beta akzeptiert keine neuen Tester.`);
     } else {
       const otp = generateOTP(app.url);
-      OTP_STOREAGE[app.url] = otp;
+      OTP_STORAGE[app.url] = otp;
       await sendPushoverNotification(
         pushoverAPI,
         `🎉 TestFlight Beta verfügbar für ${app.name}!`,
@@ -176,7 +176,7 @@ async function sendPushoverNotification(pushoverAPI, title, message) {
 }
 
 function generateOTP(url) {
-  const timeWindow = Math.floor((Date.now() / OTP_VALIDITY) * 1000);
+  const timeWindow = Math.floor(Date.now() / OTP_VALIDITY);
   return crypto
     .createHmac("sha256", OTP_SECRET)
     .update(`${timeWindow}-${url}`)
@@ -185,15 +185,15 @@ function generateOTP(url) {
 }
 
 function verifyOTP(otp, url) {
-  const timeWindow = Math.floor((Date.now() / OTP_VALIDITY) * 1000);
+  const timeWindow = Math.floor(Date.now() / OTP_VALIDITY);
   const validOTP = crypto
     .createHmac("sha256", OTP_SECRET)
     .update(`${timeWindow}-${url}`)
     .digest("hex")
     .slice(0, 6);
 
-  if (otp === validOTP && OTP_STOREAGE[url] === otp) {
-    delete OTP_STOREAGE[url];
+  if (otp === validOTP && OTP_STORAGE[url] === otp) {
+    delete OTP_STORAGE[url];
     return true;
   }
   return false;
diff --git a/package.json b/package.json
index 59f00e0..742edcb 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "nodemon": "^3.1.7"
   },
   "name": "testflight-watcher",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "Dies ist ein einfacher TestFlight-Watcher, der alle 30 Sekunden die Website auf verfügbare Plätze überprüft. Sobald ein Platz frei wird, erfolgt eine Benachrichtigung über Pushover.",
   "main": "index.js",
   "scripts": {
diff --git a/setup.js b/setup.js
index 4b95cb0..dae7b46 100644
--- a/setup.js
+++ b/setup.js
@@ -184,6 +184,7 @@ async function sendPushoverNotification(userKey, appToken, title, message) {
     throw err;
   }
 }
+
 async function configureEnvironment() {
   const env = loadEnv();
   displayMessage("\n🎉 Willkommen zum Setup!\n", "info");
@@ -197,9 +198,8 @@ async function configureEnvironment() {
     },
     {
       key: "OTP_VALIDITY",
-      prompt:
-        'Gültigkeitsdauer für das OTP in Sekunden (z.B. "300" für 5 Min.)',
-      defaultValue: "300",
+      prompt: 'Gültigkeitsdauer für das OTP in Minuten (z.B. "5" für 5 Min.)',
+      defaultValue: "5 * 60 * 1000",
     },
     {
       key: "SETUP_FILE_NAME",
@@ -208,7 +208,7 @@ async function configureEnvironment() {
     },
     {
       key: "SERVER_FILE_NAME",
-      prompt: "Name der Server-Datei (Fals Du ihn angepasst hast)",
+      prompt: "Name der Server-Datei (Falls Du ihn angepasst hast)",
       defaultValue: "index.js",
     },
     {
@@ -225,7 +225,7 @@ async function configureEnvironment() {
     {
       key: "USER_AGENT",
       prompt: "User-Agent für Anfragen",
-      defaultValue: "Testflight-Watcher/0.0.1 (Monitoring Script)",
+      defaultValue: "Testflight-Watcher/0.0.2 (Monitoring Script)",
     },
     {
       key: "PUSHOVER_PRIORITY",
@@ -236,7 +236,7 @@ async function configureEnvironment() {
     {
       key: "CHECK_INTERVAL",
       prompt:
-        "In welchen Abstand soll das Script nach einen neuen Platz prüfen in Sekunden (z.B. 30)",
+        "In welchem Abstand soll das Script nach einem neuen Platz prüfen in Sekunden (z.B. 30)",
       defaultValue: "30",
     },
   ];
@@ -250,11 +250,19 @@ async function configureEnvironment() {
       continue;
     }
 
-    const currentValue = defaultValue;
+    let currentValue = defaultValue;
     const answer = await prompt(
       clc.cyan(`${question} [Standard: ${currentValue}]: `)
     );
-    env[key] = answer || currentValue;
+
+    if (key === "OTP_VALIDITY") {
+      const minutes = parseFloat(answer || "5");
+      currentValue = `${minutes} * 60 * 1000`;
+    } else {
+      currentValue = answer || currentValue;
+    }
+
+    env[key] = currentValue;
     saveEnv(env);
   }
 
diff --git a/version.json b/version.json
index a8908f6..b3d08d2 100644
--- a/version.json
+++ b/version.json
@@ -1,3 +1,3 @@
 {
-    "version": "0.0.1"
+    "version": "0.0.2"
 }
\ No newline at end of file