diff --git a/doc/source/install/installation/installing.rst b/doc/source/install/installation/installing.rst
index 00f9d565..c9836432 100644
--- a/doc/source/install/installation/installing.rst
+++ b/doc/source/install/installation/installing.rst
@@ -119,6 +119,10 @@ Installing the Undercloud
 
        openstack undercloud install --use-heat
 
+.. note::
+    When installing a containerized undercloud, it's possible to enable verbose
+    logging with --verbose option.
+
 .. note::
     The `openstack undercloud install --use-heat` command
     will run all the OpenStack services in a container runtime (docker)
diff --git a/doc/source/install/installation/updating.rst b/doc/source/install/installation/updating.rst
index d01d9fa2..2d8db27b 100644
--- a/doc/source/install/installation/updating.rst
+++ b/doc/source/install/installation/updating.rst
@@ -100,6 +100,10 @@ You can upgrade any packages that are installed on the undercloud machine.
 
        openstack undercloud upgrade --use-heat
 
+   .. note::
+       When upgrading a containerized undercloud, it's possible to enable verbose
+       logging with --verbose option.
+
    .. admonition:: Queens to Rocky and later
       :class: otop