diff --git a/Controller/Controller.php b/Controller/Controller.php
index 29c904f..58354c5 100644
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -66,7 +66,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string[]
      * @since 1.0.0
      */
-    protected static $providing = [];
+    protected static array $providing = [];
 
     /**
      * Dependencies.
@@ -74,7 +74,7 @@ class Controller extends ModuleAbstract implements WebInterface
      * @var string[]
      * @since 1.0.0
      */
-    protected static $dependencies = [
+    protected static array $dependencies = [
         'Media',
     ];
 }
diff --git a/Models/BatchPosting.php b/Models/BatchPosting.php
index bda3ca0..dfae6d4 100644
--- a/Models/BatchPosting.php
+++ b/Models/BatchPosting.php
@@ -44,7 +44,7 @@ class BatchPosting implements \Countable
     /**
      * Created.
      *
-     * @var \DateTime
+     * @var null|\DateTime
      * @since 1.0.0
      */
     private $created = null;