diff --git a/doc/source/datanet/openstack/using-ip-address-pools-for-data-interfaces.rst b/doc/source/datanet/openstack/using-ip-address-pools-for-data-interfaces.rst
index c7a9f291b..74d3783b3 100644
--- a/doc/source/datanet/openstack/using-ip-address-pools-for-data-interfaces.rst
+++ b/doc/source/datanet/openstack/using-ip-address-pools-for-data-interfaces.rst
@@ -21,6 +21,11 @@ You can use the |os-prod-hor| or the |CLI| to create and manage
 address pools. For information about using the |CLI|, see :ref:`Managing IP
 Address Pools Using the CLI <managing-ip-address-pools-using-the-cli>`.
 
+.. note::
+
+    Some system default Address Pools are read-only by design (they are
+    modifiable only during bootstrap).
+
 .. rubric:: |prereq|
 
 To make interface changes, you must lock the compute node first.