diff --git a/configure.ts b/configure.ts
index 7966ff5..811d0cb 100644
--- a/configure.ts
+++ b/configure.ts
@@ -41,7 +41,7 @@ export async function configure(command: ConfigureCommand) {
   }
 
   const shouldMakeController = await command.prompt.confirm(
-    'Do you want to create controller and routes for a basic 2FA flow?',
+    'Do you want to create controller and routes for a basic 2FA flow (API)?',
     {
       default: false,
       hint: 'You should be using @adonisjs/auth',
diff --git a/package.json b/package.json
index 745f595..e3b8222 100644
--- a/package.json
+++ b/package.json
@@ -83,11 +83,15 @@
       "html"
     ],
     "exclude": [
-      "tests/**"
+      "tests/**",
+      "docs/**"
     ]
   },
   "eslintConfig": {
-    "extends": "@adonisjs/eslint-config/package"
+    "extends": "@adonisjs/eslint-config/package",
+    "ignorePatterns": [
+      "docs/"
+    ]
   },
   "prettier": "@adonisjs/prettier-config",
   "dependencies": {
diff --git a/src/two_factor_auth_manager.ts b/src/two_factor_auth_manager.ts
index b8718fb..885596d 100644
--- a/src/two_factor_auth_manager.ts
+++ b/src/two_factor_auth_manager.ts
@@ -1,20 +1,20 @@
 import * as twoFactor from 'node-2fa'
 
-import stringHelpers from '@adonisjs/core/helpers/string'
-import { ResolvedTwoFactorAuthConfig } from './types.js'
+import { ResolvedTwoFactorAuthConfig, TwoFactorSecret } from './types.js'
+import { randomInt } from 'node:crypto'
 
 export class TwoFactorAuthManager {
   constructor(private config: ResolvedTwoFactorAuthConfig) {}
 
-  generateSecret(account: string) {
+  generateSecret(account: string): TwoFactorSecret {
     return twoFactor.generateSecret({
       name: this.config.issuer,
       account,
     })
   }
 
-  generateRecoveryCodes() {
-    return Array.from({ length: 16 }, () => stringHelpers.generateRandom(10).toUpperCase())
+  generateRecoveryCodes(codeLength = 16) {
+    return Array.from({ length: codeLength }, () => this.generateRecoveryCode(10))
   }
 
   verifyToken(secret: string = '', token: string, recoveryCodes: string[] = []) {
@@ -31,4 +31,24 @@ export class TwoFactorAuthManager {
   generateToken(secret: string) {
     return twoFactor.generateToken(secret)
   }
+
+  private generateRandomChar() {
+    const charset = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
+    const randomIndex = randomInt(0, charset.length)
+    return charset[randomIndex]
+  }
+
+  private generateRecoveryCode(length: number) {
+    let recoveryCode = ''
+
+    for (let i = 0; i < length; i++) {
+      recoveryCode += this.generateRandomChar()
+    }
+
+    // Inserir um espaço no meio
+    const middleIndex = Math.floor(length / 2)
+    recoveryCode = `${recoveryCode.substring(0, middleIndex)} ${recoveryCode.substring(middleIndex)}`
+
+    return recoveryCode
+  }
 }
diff --git a/stubs/make/controller/two_factor_controller.stub b/stubs/make/controller/two_factor_controller.stub
index 0d0b9ed..9f62377 100644
--- a/stubs/make/controller/two_factor_controller.stub
+++ b/stubs/make/controller/two_factor_controller.stub
@@ -8,7 +8,7 @@ import type { HttpContext } from '@adonisjs/core/http'
 
 import { verifyOtpValidator } from '#validators/verify_otp'
 
-export default class TwoFactorsController {
+export default class TwoFactorAuthController {
   async generate({ auth }: HttpContext) {
     const user = auth.user!
 
diff --git a/tsconfig.json b/tsconfig.json
index 0cfd318..dd0bbdb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,5 +3,8 @@
   "compilerOptions": {
     "rootDir": "./",
     "outDir": "./build",
-  }
+  },
+  "exclude": [
+    "docs"
+  ]
 }