diff --git a/src/Core/ObjectRegistry.php b/src/Core/ObjectRegistry.php
index 9bbd130ec2a..91f3e2f3cb4 100644
--- a/src/Core/ObjectRegistry.php
+++ b/src/Core/ObjectRegistry.php
@@ -152,7 +152,7 @@ protected function _checkDuplicate($name, $config)
      * Should resolve the classname for a given object type.
      *
      * @param string $class The class to resolve.
-     * @return string|false The resolved name or false for failure.
+     * @return string|bool The resolved name or false for failure.
      */
     abstract protected function _resolveClassName($class);