docs: fix debug README

Signed-off-by: Tyler Gillson <[email protected]>

hack/README.md

@@ -14,4 +14,6 @@ If you're facing hard-to-diagnose issues with your custom provider image, you ca
     ./launch-qemu.sh build/debug.iso | tee out.log
     ```
 
-3. Once the VM boots, use `reboot` to return to the GRUB menu, then select your desired entry and hit `x` to edit it. Add `rd.debug rd.immucore.debug` to the end of the `linux` line for your selected GRUB menu entry, then hit `CTRL+x` to boot with your edits. You should see verbose Kairos debug logs and they will be persisted to `out.log`.
+3. Boot the VM in `Kairos (manual)` mode. Once booted, create `userdata.yaml` with your desired Kairos config and execute a manual Kairos installation: `kairos-agent --debug manual-install --device auto userdata.yaml`.
+
+4. The VM should eventually reboot itself once the installation completes. Rather than waiting, execute `reboot` to return to the GRUB menu, select `Palette eXtended Kubernetes Edge` and hit `x` to edit it. Add `rd.debug rd.immucore.debug` to the end of the `linux` line, then hit `CTRL+x` to boot with your edits. You should see verbose Kairos debug logs and they will be persisted to `out.log`.