diff --git a/tests/EventCourse/EventCourse.pdf.php b/tests/EventCourse/EventCourse.pdf.php
index e69de29..f4165e8 100755
--- a/tests/EventCourse/EventCourse.pdf.php
+++ b/tests/EventCourse/EventCourse.pdf.php
@@ -0,0 +1 @@
+<?php declare(strict_types=1);
diff --git a/tests/EventCourse/EventCourse.xlsx.php b/tests/EventCourse/EventCourse.xlsx.php
index fab90be..e735dbf 100755
--- a/tests/EventCourse/EventCourse.xlsx.php
+++ b/tests/EventCourse/EventCourse.xlsx.php
@@ -183,7 +183,7 @@ $excel->getProperties()->setCreator('Orange Management Solutions')
     ->setLastModifiedBy('Dennis Eichhorn')
     ->setTitle('Event & Course Budget')
     ->setSubject('Budget Evaluation')
-    ->description = 'Document used in order to evaluate the event & course expenses.')
+    ->setDescription('Document used in order to evaluate the event & course expenses.')
     ->setKeywords('OMS Budget Event Course')
     ->setCategory('Controlling');