diff --git a/Iterator/ExcludeDirectoryFilterIterator.php b/Iterator/ExcludeDirectoryFilterIterator.php
index f3743143..366ad70c 100644
--- a/Iterator/ExcludeDirectoryFilterIterator.php
+++ b/Iterator/ExcludeDirectoryFilterIterator.php
@@ -76,6 +76,9 @@ public function hasChildren()
         return $this->isRecursive && $this->iterator->hasChildren();
     }
 
+    /**
+     * @return self
+     */
     public function getChildren()
     {
         $children = new self($this->iterator->getChildren(), []);