diff --git a/html_head.info.yml b/html_head.info.yml
index cd1075e..3340481 100644
--- a/html_head.info.yml
+++ b/html_head.info.yml
@@ -5,5 +5,6 @@ type:        module
 configure:   html_head.admin.header
 version: '8.x-1.0'
 core: '8.x'
-project: 'html_ead'
+core_version_requirement: ^8 || ^9
+project: 'html_head'
 
diff --git a/src/Form/HeaderForm.php b/src/Form/HeaderForm.php
index 5a43705..1b5db5f 100644
--- a/src/Form/HeaderForm.php
+++ b/src/Form/HeaderForm.php
@@ -53,7 +53,7 @@ class HeaderForm extends ConfigFormBase {
       ->set('html_header', $values['html_header'])
       ->save();
 
-    \Drupal::messenger()->addMessage($this->t('Your Settings have been saved.'), 'status');
+    $this->messenger()->addStatus($this->t('Your Settings have been saved.'));
   }
 
 }