diff --git a/doc/source/deploy_install_guides/r5_release/bare_metal/aio_simplex_install_kubernetes.rst b/doc/source/deploy_install_guides/r5_release/bare_metal/aio_simplex_install_kubernetes.rst
index 22813d647..4c192b2d5 100644
--- a/doc/source/deploy_install_guides/r5_release/bare_metal/aio_simplex_install_kubernetes.rst
+++ b/doc/source/deploy_install_guides/r5_release/bare_metal/aio_simplex_install_kubernetes.rst
@@ -361,6 +361,8 @@ The newly installed controller needs to be configured.
 
       .. code-block:: bash
 
+         export NODE=controller-0
+
          # Create ‘nova-local’ local volume group
          system host-lvg-add ${NODE} nova-local
 
diff --git a/doc/source/deploy_install_guides/r6_release/bare_metal/aio_simplex_install_kubernetes.rst b/doc/source/deploy_install_guides/r6_release/bare_metal/aio_simplex_install_kubernetes.rst
index ec8987d34..9525b1d4a 100644
--- a/doc/source/deploy_install_guides/r6_release/bare_metal/aio_simplex_install_kubernetes.rst
+++ b/doc/source/deploy_install_guides/r6_release/bare_metal/aio_simplex_install_kubernetes.rst
@@ -360,6 +360,8 @@ The newly installed controller needs to be configured.
 
       .. code-block:: bash
 
+         export NODE=controller-0
+
          # Create ‘nova-local’ local volume group
          system host-lvg-add ${NODE} nova-local