Clarify key setup in README

Author: DKroot

README.md

@@ -9,12 +9,14 @@ Configure and ssh or create a tunnel to an Oracle Cloud Infrastructure host via
 
 0. Bash shell, SSH CLI client, `sed`, `sleep`, etc.
     * (macOS, Linux) Out-of-the-box 
-    * (Windows) Install [WSL](https://learn.microsoft.com/en-us/windows/wsl/) or [Cygwin](https://www.cygwin.com/) 
-1. Install and configure [OCI CLI](https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/cliinstall.htm).
-    * One of the following SSH key pairs in `~/.ssh/` must be used: `id_rsa*`, `id_dsa*`, `id_ecdsa*`, `id_ed25519*`, or
-     `id_xmss*`. If there are multiple keys the first one found from the list above will be used. 
-2. Install [`jq`](https://stedolan.github.io/jq/).
-3. Define the following environment variables. OCI menus below are as of October 2022. 
+    * (Windows) Install [WSL](https://learn.microsoft.com/en-us/windows/wsl/) or [Cygwin](https://www.cygwin.com/)
+1. `ssh` CLI client.
+    * Generate an SSH key pair if you don't have any. One of the following SSH key pairs in `~/.ssh/` must be used: 
+    `id_rsa*`, `id_dsa*`, `id_ecdsa*`, `id_ed25519*`, or `id_xmss*`. If multiple key pairs are present, the first one 
+    found from the list above will be used.    
+2. Install and configure [OCI CLI](https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/cliinstall.htm).
+3. Install [`jq`](https://stedolan.github.io/jq/).
+4. Define the following environment variables. OCI menus below are as of October 2022. 
     1. `OCI_INSTANCE_IP`: OCI host IP. See `Compute` > `Instances` > {host} > `Primary VNIC` > `Private IP address`
     2. `OCI_INSTANCE_OCID`. See `Compute` > `Instances` > {host} > `General information` > `OCID`
     3. `OCI_BASTION_OCID`. See `Identity & Security` > `Bastion` > {bastion} > `Bastion information` > `OCID`