diff --git a/src/Symfony/Component/PropertyInfo/Extractor/ReflectionExtractor.php b/src/Symfony/Component/PropertyInfo/Extractor/ReflectionExtractor.php
index 9b7262d237..63454a5b45 100644
--- a/src/Symfony/Component/PropertyInfo/Extractor/ReflectionExtractor.php
+++ b/src/Symfony/Component/PropertyInfo/Extractor/ReflectionExtractor.php
@@ -40,7 +40,7 @@ class ReflectionExtractor implements PropertyListExtractorInterface, PropertyTyp
     /**
      * @internal
      *
-     * @var array[]
+     * @var string[]
      */
     public static $arrayMutatorPrefixes = array('add', 'remove');