diff --git a/versioned_docs/version-v1.3/install/iso-install.md b/versioned_docs/version-v1.3/install/iso-install.md
index 452ba36d740..6fbabad41fc 100644
--- a/versioned_docs/version-v1.3/install/iso-install.md
+++ b/versioned_docs/version-v1.3/install/iso-install.md
@@ -91,7 +91,7 @@ The following [video](https://youtu.be/X0VIGZ_lExQ) shows a quick overview of an
 
 	![config-dns-server.png](/img/v1.2/install/config-dns-server.png)
 
-1. Configure the virtual IP (VIP) by selecting a `VIP Mode`. This VIP is used to access the cluster or for other nodes to join the cluster.
+1. (New cluster only) Configure the virtual IP (VIP) by selecting a `VIP Mode`. This VIP is used to access the cluster or for other nodes to join the cluster.
 
 	:::note
 	If using DHCP to configure the IP address, you need to configure a static MAC-to-IP address mapping on your DHCP server to have a persistent virtual IP (VIP), and the VIP must be unique.
@@ -99,6 +99,8 @@ The following [video](https://youtu.be/X0VIGZ_lExQ) shows a quick overview of an
 
 	![config-virtual-ip.png](/img/v1.2/install/config-virtual-ip.png)
 
+1. (Joining pre-existing cluster only) Configure with URL from pre-existing Harvester Cluster Management URL. Must include http scheme (ex: `https://x.x.x.x` if using IPs). Management URLs can be found on the management node after bootup.
+
 1. Configure the `Cluster token`. This token is used for adding other nodes to the cluster.
 
 	![config-cluster-token.png](/img/v1.2/install/config-cluster-token.png)