diff --git a/doc/source/system_configuration/kubernetes/changing-the-oam-ip-configuration-using-the-cli.rst b/doc/source/system_configuration/kubernetes/changing-the-oam-ip-configuration-using-the-cli.rst
index 024ba3545..f367dea6e 100644
--- a/doc/source/system_configuration/kubernetes/changing-the-oam-ip-configuration-using-the-cli.rst
+++ b/doc/source/system_configuration/kubernetes/changing-the-oam-ip-configuration-using-the-cli.rst
@@ -95,6 +95,21 @@ resources are available to migrate any running instances.
    On AIO Simplex systems you do not need to lock and unlock the host. The
    changes are applied automatically.
 
+In the |prod-dc| system, if the system controller |OAM| address is changed
+(the network itself or the floating address), subclouds need to update the
+address pool ``system-controller-oam-subnet`` so that the registry.central domain
+points to the new value. Run the following command on all subclouds:
+
+.. code-block::
+
+    ~(keystone_admin)]$ system addrpool-modify [system-controller-oam-subnet's uuid] \
+                          --network [new system-controller OAM network address] \
+                          --prefix [new system-controller OAM network prefix] \
+                          --ranges [new system-controller OAM network address range] \
+                          --floating-address [new system-controller OAM floating address]
+
+Adjust the necessary parameters based on the altered values in the system controller.
+
 .. rubric:: |postreq|
 
 (Optional) If you are running Docker proxy on your system, you need to
@@ -121,4 +136,4 @@ OAM IP, using the following steps:
 
     :ref:`Default Firewall Rules <security-default-firewall-rules>`
 
-    :ref:`Modify Firewall Options <security-firewall-options>`
\ No newline at end of file
+    :ref:`Modify Firewall Options <security-firewall-options>`