diff --git a/src/Symfony/Component/Form/FormView.php b/src/Symfony/Component/Form/FormView.php
index 8d23ee9ddc..78656b3868 100644
--- a/src/Symfony/Component/Form/FormView.php
+++ b/src/Symfony/Component/Form/FormView.php
@@ -34,7 +34,7 @@ class FormView implements \ArrayAccess, \IteratorAggregate, \Countable
     /**
      * The child views.
      *
-     * @var FormView[]
+     * @var array<string, FormView>
      */
     public $children = [];
 
diff --git a/src/Symfony/Component/Translation/Extractor/ExtractorInterface.php b/src/Symfony/Component/Translation/Extractor/ExtractorInterface.php
index 39cc006c5b..718858eefa 100644
--- a/src/Symfony/Component/Translation/Extractor/ExtractorInterface.php
+++ b/src/Symfony/Component/Translation/Extractor/ExtractorInterface.php
@@ -24,7 +24,7 @@ interface ExtractorInterface
     /**
      * Extracts translation messages from files, a file or a directory to the catalogue.
      *
-     * @param string|array $resource Files, a file or a directory
+     * @param string|string[] $resource Files, a file or a directory
      */
     public function extract($resource, MessageCatalogue $catalogue);