diff --git a/docs/user-guide/volumes.md b/docs/user-guide/volumes.md
index b89591070be..d6eb8c0ace2 100644
--- a/docs/user-guide/volumes.md
+++ b/docs/user-guide/volumes.md
@@ -121,6 +121,7 @@ Kubernetes supports several types of Volumes:
    * `gitRepo`
    * `secret`
    * `persistentVolumeClaim`
+   * `downwardAPI`
 
 We welcome additional contributions.