diff --git a/doc/source/backup/kubernetes/running-restore-playbook-locally-on-the-controller.rst b/doc/source/backup/kubernetes/running-restore-playbook-locally-on-the-controller.rst
index 8eb483092..c79eb1c9f 100644
--- a/doc/source/backup/kubernetes/running-restore-playbook-locally-on-the-controller.rst
+++ b/doc/source/backup/kubernetes/running-restore-playbook-locally-on-the-controller.rst
@@ -24,6 +24,11 @@ Other ``-e`` command line options:
 ``-e restore_mode=optimized``
     Enable optimized restore mode
 
+    .. note::
+
+        Optimized restore is currently supported only on |AIO-SX| systems.
+
+
 ``-e "initial_backup_dir=/home/sysadmin"``
     Where the backup tgz files are located on box.