diff --git a/module/fid/src/RecordTab/Worldcat.php b/module/fid/src/RecordTab/Worldcat.php
index dfd75e5d04099f02ea2e0e5e0b880daa680b4d81..ddcdf3c0bb1a7fb03d0d5a94d9cf8ef427d0d76f 100644
--- a/module/fid/src/RecordTab/Worldcat.php
+++ b/module/fid/src/RecordTab/Worldcat.php
@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  * @category VuFind
- * @package  RecordTabs
+ * @package  RecordTab
  * @author   Demian Katz <demian.katz@villanova.edu>
  * @author   André Lahmann <lahmann@ub.uni-leipzig.de>
  * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
@@ -32,7 +32,7 @@ namespace fid\RecordTab;
  * Staff view tab for AI records
  *
  * @category VuFind
- * @package  RecordTabs
+ * @package  RecordTab
  * @author   Demian Katz <demian.katz@villanova.edu>
  * @author   Gregor Gawol <gawol@ub.uni-leipzig.de>
  * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
@@ -65,7 +65,11 @@ class Worldcat extends \VuFind\RecordTab\AbstractBase
      */
     public function isActive()
     {
-        if (!$this->getRecordDriver()->tryMethod('hasRecordPermission', [$this->accessPermission])) {
+        $hasRecordPermission = $this->getRecordDriver()->tryMethod(
+            'hasRecordPermission',
+            [$this->accessPermission]
+        );
+        if (!$hasRecordPermission) {
             return false;
         }
         $oclc = $this->getRecordDriver()->tryMethod('getOCLC');
diff --git a/module/fid/src/Serializer/OrderCreationRequestUserNormalizer.php b/module/fid/src/Serializer/OrderCreationRequestUserNormalizer.php
index 6eafa10b22379f4c5a6dfb92d597b9b7172c63ed..70bcfcc057401e7e2bdb6a4ddf580fba618d076b 100644
--- a/module/fid/src/Serializer/OrderCreationRequestUserNormalizer.php
+++ b/module/fid/src/Serializer/OrderCreationRequestUserNormalizer.php
@@ -2,6 +2,8 @@
 /**
  * Copyright (C) 2019 Leipzig University Library
  *
+ * PHP Version 7
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -15,9 +17,15 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
- * @author  Gregor Gawol <gawol@ub.uni-leipzig.de>
- * @author  Sebastian Kehr <kehr@ub.uni-leipzig.de>
- * @license http://opensource.org/licenses/gpl-2.0.php GNU GPLv2
+ * Serializer for Order Requests to FIDIS API
+ * https://git.sc.uni-leipzig.de/ubl/finc/fid/fidis/-/blob/master/bundle/Entity/Order.php
+ *
+ * @category VuFind
+ * @package  Serializer
+ * @author   Gregor Gawol <gawol@ub.uni-leipzig.de>
+ * @author   Sebastian Kehr <kehr@ub.uni-leipzig.de>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU GPLv2
+ * @link     https://vufind.org/wiki/development Wiki
  */
 namespace fid\Serializer;
 
@@ -26,11 +34,33 @@ use Symfony\Component\Serializer\Normalizer\ContextAwareNormalizerInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerAwareInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerAwareTrait;
 
+/**
+ * Class OrderCreationRequestUserNormalizer
+ *
+ * Serializer for Order Requests to FIDIS API
+ * https://git.sc.uni-leipzig.de/ubl/finc/fid/fidis/-/blob/master/bundle/Entity/Order.php
+ *
+ * @category VuFind
+ * @package  Serializer
+ * @author   Gregor Gawol <gawol@ub.uni-leipzig.de>
+ * @author   Sebastian Kehr <kehr@ub.uni-leipzig.de>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU GPLv2
+ * @link     https://vufind.org/wiki/development Wiki
+ */
 class OrderCreationRequestUserNormalizer implements
     ContextAwareNormalizerInterface, NormalizerAwareInterface
 {
     use NormalizerAwareTrait;
 
+    /**
+     * {@inheritdoc}
+     *
+     * @param mixed $data    Order data
+     * @param null  $format  Format the normalization result will be encoded as
+     * @param array $context Context options for the normalizer
+     *
+     * @return bool true if Serializer supports normalization otherwise false
+     */
     public function supportsNormalization(
         $data,
         $format = null,
@@ -41,9 +71,11 @@ class OrderCreationRequestUserNormalizer implements
     }
 
     /**
-     * @param mixed|User $object
-     * @param null       $format
-     * @param array      $context
+     * {@inheritdoc}
+     *
+     * @param mixed|User $object  Object to normalize
+     * @param null       $format  Format the normalization result will be encoded as
+     * @param array      $context Context options for the normalizer
      *
      * @return array|bool|float|int|string
      */