diff --git a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
index ca0d83721e..f260392f1c 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
@@ -547,7 +547,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      *
      * @param string $id The service identifier
      *
-     * @return Definition A Definition instance
+     * @return Alias An Alias instance
      *
      * @throws \InvalidArgumentException if the alias does not exist
      *