diff --git a/Api/Data/NodeInterface.php b/Api/Data/NodeInterface.php
index 82d1a22f..8f10a24a 100644
--- a/Api/Data/NodeInterface.php
+++ b/Api/Data/NodeInterface.php
@@ -302,7 +302,7 @@ public function setSelectedItemId($selectedItemId);
 
     /**
      * Get customer groups
-     *
+     * @return mixed[]
      */
     public function getCustomerGroups();
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b076c5cd..f81fe4b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [2.27.1] - 2024-08-07
+### Fixed
+- Swagger docs (#332)
+
 ## [2.27.0]
 ### Added
 - `width` and `height` attributes to menu node images (DEV-102271)