diff --git a/doc/source/deploy_install_guides/r3_release/virtual/physical_host_req.txt b/doc/source/deploy_install_guides/r3_release/virtual/physical_host_req.txt
index 422a8696b..26afb3583 100644
--- a/doc/source/deploy_install_guides/r3_release/virtual/physical_host_req.txt
+++ b/doc/source/deploy_install_guides/r3_release/virtual/physical_host_req.txt
@@ -67,6 +67,12 @@ Set up the host with the following steps:
apparmor-profile modules.
-#. Get the StarlingX ISO from the
- `CENGN StarlingX mirror `_.
- Alternately, you can use an ISO from a private StarlingX build.
+#. Get the StarlingX ISO. This can be from a private StarlingX build or from
+ the public `CENGN StarlingX mirror `_.
+
+ For example, to get the ISO for the StarlingX R3.0 build, use the command
+ shown below:
+
+ ::
+
+ wget http://mirror.starlingx.cengn.ca/mirror/starlingx/release/3.0.0/centos/outputs/iso/bootimage.iso