diff --git a/extensions/ter_fe2/Classes/Controller/ExtensionController.php b/extensions/ter_fe2/Classes/Controller/ExtensionController.php
index 8cc3f12c033613af8a47b31125c640725312b5c9..c555501a7b2553cdc8caeea992b080e4ff8bffbe 100755
--- a/extensions/ter_fe2/Classes/Controller/ExtensionController.php
+++ b/extensions/ter_fe2/Classes/Controller/ExtensionController.php
@@ -16,6 +16,7 @@ namespace T3o\TerFe2\Controller;
 
 use T3o\TerFe2\Validation\Validator\ComposerNameValidator;
 use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Page\PageRenderer;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 
 /**
@@ -162,7 +163,7 @@ class ExtensionController extends \T3o\TerFe2\Controller\AbstractController
      * Action that displays a single extension
      *
      * @param \T3o\TerFe2\Domain\Model\Extension $extension The extension to display
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      */
     public function showAction(\T3o\TerFe2\Domain\Model\Extension $extension = null)
     {
@@ -193,10 +194,11 @@ class ExtensionController extends \T3o\TerFe2\Controller\AbstractController
             $documentationLink = $documentationService->getDocumentationLink($extension->getExtKey(), $extension->getLastVersion()->getVersionString(), true);
             $this->view->assign('documentationLink', $documentationLink);
 
-            $pageRenderer = $this->objectManager->get(\TYPO3\CMS\Core\Page\PageRenderer::class);
-            $pageRenderer->addMetaTag('<meta name="description" content="' . htmlspecialchars($extension->getLastVersion()->getDescription()) . '" />');
+            /** @var PageRenderer $pageRenderer */
+            $pageRenderer = $this->objectManager->get(PageRenderer::class);
+            $pageRenderer->setMetaTag('name', 'description', htmlspecialchars($extension->getLastVersion()->getDescription()));
             if ($extension->getTags()->count() > 0) {
-                $pageRenderer->addMetaTag('<meta name="keywords" content="' . htmlspecialchars(implode(',', $extension->getTags()->toArray())) . '" />');
+                $pageRenderer->setMetaTag('name', 'keywords', htmlspecialchars(implode(',', $extension->getTags()->toArray())));
             }
 
             // gets all other extensions from the owner
@@ -222,7 +224,7 @@ class ExtensionController extends \T3o\TerFe2\Controller\AbstractController
      * Displays a form to edit an existing extension
      *
      * @param \T3o\TerFe2\Domain\Model\Extension $extension The extension to display
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      */
     public function editAction(\T3o\TerFe2\Domain\Model\Extension $extension)
     {
@@ -320,7 +322,7 @@ class ExtensionController extends \T3o\TerFe2\Controller\AbstractController
     /**
      * @param \T3o\TerFe2\Domain\Model\Extension $extension
      * @param \T3o\TerFe2\Domain\Model\Tag $tag
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      */
     public function removeTagAction(\T3o\TerFe2\Domain\Model\Extension $extension, \T3o\TerFe2\Domain\Model\Tag $tag)
     {
@@ -356,7 +358,7 @@ class ExtensionController extends \T3o\TerFe2\Controller\AbstractController
      * @param \T3o\TerFe2\Domain\Model\Extension $extension The extension object
      * @param string $versionString An existing version string
      * @param string $format Format of the file output
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      * @throws \Exception
      */
     public function downloadAction(\T3o\TerFe2\Domain\Model\Extension $extension, $versionString = '', $format = '')
@@ -443,7 +445,7 @@ class ExtensionController extends \T3o\TerFe2\Controller\AbstractController
      *
      * @param \T3o\TerFe2\Domain\Model\Extension $extension The extension object
      * @param array $form Form information for the new version
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      */
     public function uploadVersionAction(\T3o\TerFe2\Domain\Model\Extension $extension, array $form = [])
     {
@@ -459,7 +461,7 @@ class ExtensionController extends \T3o\TerFe2\Controller\AbstractController
      *
      * @param \T3o\TerFe2\Domain\Model\Extension $extension The extension object
      * @param array $form Form information for the new version
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      */
     public function createVersionAction(\T3o\TerFe2\Domain\Model\Extension $extension, array $form)
     {
diff --git a/extensions/ter_fe2/Classes/Controller/RegisterkeyController.php b/extensions/ter_fe2/Classes/Controller/RegisterkeyController.php
index ca7aa17ca6a20d334a78d62704f74d1e4713397a..4182da3e0779c398a17be960dd9c6007bd39fd8e 100644
--- a/extensions/ter_fe2/Classes/Controller/RegisterkeyController.php
+++ b/extensions/ter_fe2/Classes/Controller/RegisterkeyController.php
@@ -165,7 +165,7 @@ class RegisterkeyController extends \T3o\TerFe2\Controller\AbstractTerBasedContr
      *
      * @param string $newUser Username of the assignee
      * @param \T3o\TerFe2\Domain\Model\Extension $extension Extension to transfer
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      */
     public function transferAction($newUser, \T3o\TerFe2\Domain\Model\Extension $extension)
     {
@@ -252,7 +252,7 @@ class RegisterkeyController extends \T3o\TerFe2\Controller\AbstractTerBasedContr
      * The process for getting expiring extensions will be back in 1 year
      *
      * @param \T3o\TerFe2\Domain\Model\Extension $extension
-     * @ignorevalidation $extension
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("extension")
      * @throws \TYPO3\CMS\Extbase\Mvc\Exception\UnsupportedRequestTypeException
      */
     public function keepAction(\T3o\TerFe2\Domain\Model\Extension $extension)
@@ -266,7 +266,7 @@ class RegisterkeyController extends \T3o\TerFe2\Controller\AbstractTerBasedContr
      * Delete an extension version from ter server
      *
      * @param \T3o\TerFe2\Domain\Model\Version $version Extension to delete
-     * @ignorevalidation $version
+     * @TYPO3\CMS\Extbase\Annotation\IgnoreValidation("version")
      */
     public function deleteExtensionVersionAction(\T3o\TerFe2\Domain\Model\Version $version)
     {