diff --git a/pass/Controllers/PasswordNavigationViewController.swift b/pass/Controllers/PasswordNavigationViewController.swift
index 706eb13..e3ecddb 100644
--- a/pass/Controllers/PasswordNavigationViewController.swift
+++ b/pass/Controllers/PasswordNavigationViewController.swift
@@ -1,3 +1,11 @@
+//
+//  PasswordNavigationViewController.swift
+//  pass
+//
+//  Created by Mingshen Sun on 17/1/2021.
+//  Copyright © 2021 Bob Sun. All rights reserved.
+//
+
 import passKit
 import SVProgressHUD
 import UIKit
diff --git a/pass/Services/PasswordEncryptor.swift b/pass/Services/PasswordEncryptor.swift
index efbc6bb..254f045 100644
--- a/pass/Services/PasswordEncryptor.swift
+++ b/pass/Services/PasswordEncryptor.swift
@@ -1,3 +1,11 @@
+//
+//  PasswordEncryptor.swift
+//  pass
+//
+//  Created by Mingshen Sun on 17/1/2021.
+//  Copyright © 2021 Bob Sun. All rights reserved.
+//
+
 import passKit
 
 func encryptPassword(in controller: UIViewController, with password: Password, keyID: String? = nil, completion: @escaping (() -> Void)) {
diff --git a/pass/Services/PasswordManager.swift b/pass/Services/PasswordManager.swift
index 9f9aee9..2650495 100644
--- a/pass/Services/PasswordManager.swift
+++ b/pass/Services/PasswordManager.swift
@@ -1,3 +1,11 @@
+//
+//  PasswordManager.swift
+//  pass
+//
+//  Created by Mingshen Sun on 17/1/2021.
+//  Copyright © 2021 Bob Sun. All rights reserved.
+//
+
 import passKit
 import SVProgressHUD
 import UIKit
diff --git a/passKitTests/Models/PasswordStoreTest.swift b/passKitTests/Models/PasswordStoreTest.swift
index 19d6e45..1242726 100644
--- a/passKitTests/Models/PasswordStoreTest.swift
+++ b/passKitTests/Models/PasswordStoreTest.swift
@@ -2,6 +2,7 @@
 //  PasswordStoreTest.swift
 //  passKitTests
 //
+//  Created by Mingshen Sun on 13/4/2020.
 //  Copyright © 2020 Bob Sun. All rights reserved.
 //