diff --git a/doc/networking-guide/source/shared/deploy-provider-initialnetworks.txt b/doc/networking-guide/source/shared/deploy-provider-initialnetworks.txt
index b8fa123dfe..7af9d56aaa 100644
--- a/doc/networking-guide/source/shared/deploy-provider-initialnetworks.txt
+++ b/doc/networking-guide/source/shared/deploy-provider-initialnetworks.txt
@@ -54,11 +54,12 @@ simplicity, the following procedure creates one flat provider network.
       | name              | provider1-v4               |
       +-------------------+----------------------------+
 
-   .. note::
+   .. important::
 
       Enabling DHCP causes the Networking service to provide DHCP which can
       interfere with existing DHCP services on the physical network
-      infrastructure.
+      infrastructure. Use the ``--no-dhcp`` option to have the subnet managed
+      by existing DHCP services.
 
 #. Create a IPv6 subnet on the provider network.