Cross-reference win_reboot and reboot (#44784)

lib/ansible/modules/windows/win_reboot.py

@@ -60,6 +60,7 @@ options:
     default: Reboot initiated by Ansible
 notes:
 - If a shutdown was already scheduled on the system, C(win_reboot) will abort the scheduled shutdown and enforce its own shutdown.
+- For non-Windows targets, use the M(reboot) module instead.
 author:
     - Matt Davis (@nitzmahone)
 '''