diff --git a/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php b/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
index 6720b43b4ed9f..067cf06fc9e96 100644
--- a/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
+++ b/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
@@ -78,6 +78,10 @@ public function addError(Phrase $phrase)
         return $this;
     }
 
+    /**
+     * @param LocalizedException $exception
+     * @return $this
+     */
     public function addException(LocalizedException $exception)
     {
         $this->addErrorCalls++;