diff --git a/Datei1.php b/Datei1.php
index 0d4bdf1..8a7f847 100644
--- a/Datei1.php
+++ b/Datei1.php
@@ -1,2 +1,4 @@
-feature1
-feature2
\ No newline at end of file
+<?php
+
+// feature1
+// feature2
diff --git a/Datei2.php b/Datei2.php
index 30279f1..4a8b8d0 100644
--- a/Datei2.php
+++ b/Datei2.php
@@ -1 +1,3 @@
-feature2
\ No newline at end of file
+<?php
+
+// feature2
diff --git a/admin/send_email.php b/admin/send_email.php
index 5a22a5c..a95bf85 100644
--- a/admin/send_email.php
+++ b/admin/send_email.php
@@ -2,6 +2,8 @@
 
 declare(strict_types=1);
 
+use App\Service\MailSender;
+
 // MailSender-Klasse einbinden
 require_once __DIR__ . '/../includes/MailSender.php';
 
@@ -20,7 +22,7 @@ function createEmailMessage(): string
     $message .= "Mit freundlichen Grüßen,\n";
     $message .= "Ihr automatisiertes E-Mail-System\n\n";
     $message .= "P.S.: Diese E-Mail wurde am " . date('d.m.Y \u\m H:i:s') . " Uhr versendet.\n";
-    
+
     return $message;
 }
 
diff --git a/includes/MailSender.php b/includes/MailSender.php
index f8afc9b..3446a02 100644
--- a/includes/MailSender.php
+++ b/includes/MailSender.php
@@ -2,6 +2,8 @@
 
 declare(strict_types=1);
 
+namespace App\Service;
+
 /**
  * MailSender Klasse
  * Verantwortlich für das Versenden von E-Mails
diff --git a/includes/test.php b/includes/test.php
index bfd863b..83f1549 100644
--- a/includes/test.php
+++ b/includes/test.php
@@ -1,2 +1,3 @@
 <?php
-phpinfo();
\ No newline at end of file
+
+phpinfo();
diff --git a/index.php b/index.php
index baeff0a..d2fbda5 100644
--- a/index.php
+++ b/index.php
@@ -1,4 +1,5 @@
 <?php
+
 echo 1; // Debug
 echo 1;
 echo 2;