Add missing steps for disabling TFTP and DNS

guides/common/modules/proc_disabling-dns-dhcp-tftp-for-unmanaged-networks.adoc

@@ -2,11 +2,15 @@
 = Disabling DNS, DHCP, and TFTP for unmanaged networks
 
 If you want to manage TFTP, DHCP, and DNS services manually, you must prevent {Project} from maintaining these services on the operating system and disable orchestration to avoid DHCP and DNS validation errors.
-However, {Project} does not remove the back-end services on the operating system.
+
+[IMPORTANT]
+====
+Disabling these {SmartProxy} features means {Project} will no longer orchestrate DNS, DHCP, and TFTP, but it does not stop or remove the corresponding services.
+====
 
 .Procedure
 
-. On {ProjectServer}, enter the following command:
+. Disable DHCP, DNS, and TFTP integration on your {ProjectServer}:
 +
 [options="nowrap", subs="+quotes,attributes"]
 ----
@@ -15,9 +19,11 @@ However, {Project} does not remove the back-end services on the operating system
 --foreman-proxy-tftp false
 ----
 
-. In the {ProjectWebUI}, navigate to *Infrastructure* > *Subnets* and select a subnet.
+. Disable the {SmartProxy} integration for every subnet:
 
-. Click the *{SmartProxies}* tab and clear the *DHCP {SmartProxy}*, *TFTP {SmartProxy}*, and *Reverse DNS {SmartProxy}* fields.
+.. In the {ProjectWebUI}, navigate to *Infrastructure* > *Subnets*.
+.. Select a subnet.
+.. On the *{SmartProxies}* tab, clear the *DHCP {SmartProxy}*, *TFTP {SmartProxy}*, and *Reverse DNS {SmartProxy}* fields.
 
 . In the {ProjectWebUI}, navigate to *Infrastructure* > *Domains* and select a domain.