diff --git a/src/store/src/Document/Loader/InMemoryLoader.php b/src/store/src/Document/Loader/InMemoryLoader.php
index 1bb530358..cfea1c298 100644
--- a/src/store/src/Document/Loader/InMemoryLoader.php
+++ b/src/store/src/Document/Loader/InMemoryLoader.php
@@ -15,12 +15,15 @@
 use Symfony\AI\Store\Document\TextDocument;
 
 /**
+ * Loader that returns pre-loaded TextDocuments from memory.
+ * Useful for testing or when documents are already available as objects.
+ *
  * @author Oskar Stark <oskarstark@googlemail.com>
  */
 final readonly class InMemoryLoader implements LoaderInterface
 {
     /**
-     * @param array<TextDocument> $documents
+     * @param TextDocument[] $documents
      */
     public function __construct(
         private array $documents = [],