diff --git a/content/deleteAccount.php b/content/deleteAccount.php
index 0bb31e1..c9e0a12 100644
--- a/content/deleteAccount.php
+++ b/content/deleteAccount.php
@@ -1,7 +1,7 @@
 <?php
-require_once "php/model/LocalUserDAO.php";
+require_once "php/model/LocalUserManager.php";
 
-$dao = new LocalUserDAO();
+$dao = new LocalUserManager();
 
 /*
     Deregistrierung
diff --git a/php/controller/createArticle-controller.php b/php/controller/createArticle-controller.php
index 214101e..5e72e68 100644
--- a/php/controller/createArticle-controller.php
+++ b/php/controller/createArticle-controller.php
@@ -3,7 +3,7 @@ SESSION_START();
 require_once '../model/LocalArticleManager.php';
 require_once '../model/ArticleManager.php';
 require_once '../validator/article-validator.php';
-require_once "../model/LocalUserDAO.php";
+require_once "../model/LocalUserManager.php";
 
     if ($_SERVER["REQUEST_METHOD"] === "POST") {
         $_SESSION["old_title"]    = $_POST["title"] ?? '';
diff --git a/php/controller/login-controller.php b/php/controller/login-controller.php
index 2ab99b2..8e2c2ec 100644
--- a/php/controller/login-controller.php
+++ b/php/controller/login-controller.php
@@ -1,8 +1,8 @@
 <?php
 
-require_once "php/model/LocalUserDAO.php";
+require_once "php/model/LocalUserManager.php";
 
-$dao = new LocalUserDAO();
+$dao = new LocalUserManager();
 $error = null;
 
 /*
diff --git a/php/controller/profile-controller.php b/php/controller/profile-controller.php
index b828c85..720175d 100644
--- a/php/controller/profile-controller.php
+++ b/php/controller/profile-controller.php
@@ -1,6 +1,6 @@
 <?php
 
-require_once "php/model/LocalUserDAO.php";
+require_once "php/model/LocalUserManager.php";
 require_once "php/model/Article.php";
 require_once "php/model/ArticleManager.php";
 require_once "php/validator/user-validator.php";
@@ -13,7 +13,7 @@ if (!isset($_SESSION["user"])) {
 }
 
 try {
-    $dao = new LocalUserDAO();
+    $dao = new LocalUserManager();
 
     $user = $dao->findUser($_SESSION["user_email"] ?? "");
 
diff --git a/php/controller/profileArticles-controller.php b/php/controller/profileArticles-controller.php
index 678ae99..49a9ea1 100644
--- a/php/controller/profileArticles-controller.php
+++ b/php/controller/profileArticles-controller.php
@@ -5,10 +5,10 @@
 
 require_once 'php/model/Article.php';
 require_once 'php/model/ArticleManager.php';
-require_once "../model/LocalUserDAO.php";
+require_once "../model/LocalUserManager.php";
 
 try {
-    $dao = new LocalUserDAO();
+    $dao = new LocalUserManager();
     $user = $dao->findUser($_SESSION["user_email"] ?? "");
 
     $author = $user["email"];
diff --git a/php/controller/register-controller.php b/php/controller/register-controller.php
index a4d2feb..5a0de05 100644
--- a/php/controller/register-controller.php
+++ b/php/controller/register-controller.php
@@ -1,6 +1,6 @@
 <?php
 
-require_once "php/model/LocalUserDAO.php";
+require_once "php/model/LocalUserManager.php";
 require_once "php/validator/user-validator.php";
 
 $error = null;
@@ -22,7 +22,7 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         $error = "Das Passwort muss 8 bis 72 Zeichen lang sein.";
     } else {
         try {
-            $dao = new LocalUserDAO();
+            $dao = new LocalUserManager();
 
             $password = password_hash($plainPassword, PASSWORD_DEFAULT);
 
diff --git a/php/model/LocalUserDAO.php b/php/model/LocalUserManager.php
similarity index 98%
rename from php/model/LocalUserDAO.php
rename to php/model/LocalUserManager.php
index cc8b265..8ef97eb 100644
--- a/php/model/LocalUserDAO.php
+++ b/php/model/LocalUserManager.php
@@ -1,8 +1,8 @@
 <?php
 
-require_once "UserDAOInterface.php";
+require_once "UserManagerDAO.php";
 
-class LocalUserDAO implements UserDAOInterface {
+class LocalUserManager implements UserManagerDAO {
 
     private string $file = "data/users.json";
 
diff --git a/php/model/UserManager.php b/php/model/UserManager.php
new file mode 100644
index 0000000..0d895e1
--- /dev/null
+++ b/php/model/UserManager.php
@@ -0,0 +1,2 @@
+<?php
+//TODO: implement this.
\ No newline at end of file
diff --git a/php/model/UserDAOInterface.php b/php/model/UserManagerDAO.php
similarity index 98%
rename from php/model/UserDAOInterface.php
rename to php/model/UserManagerDAO.php
index 306d403..0a1050e 100644
--- a/php/model/UserDAOInterface.php
+++ b/php/model/UserManagerDAO.php
@@ -6,7 +6,7 @@
  * Definiert die Methoden, die jede UserDAO-Implementierung
  * bereitstellen muss.
  */
-interface UserDAOInterface {
+interface UserManagerDAO {
 
     /**
      * Sucht einen Benutzer anhand seiner E-Mail-Adresse.