diff --git a/tsa/howto/retire-a-host.mdwn b/tsa/howto/retire-a-host.mdwn
index 2d08c627d833755efd9361b51d05c7746c1d0b00..916bb123dc235ed4def5ffcace300a18489703af 100644
--- a/tsa/howto/retire-a-host.mdwn
+++ b/tsa/howto/retire-a-host.mdwn
@@ -175,9 +175,12 @@ When you return:
  4. after a delay, retire the host from its parent, backups and
     Puppet, for example:
 
-        ./retire -v -H kvmX.torproject.org retire-all test.torproject.org
+        ./retire -v -H $INSTANCE retire-all --parent-host=$PARENT_HOST
 
-    TODO: cover physical machines and ganeti
+    TODO: `$PARENT_HOST` should be some ganeti node
+    (e.g. `fsn-node-01.torproject.org`) but could be auto-detected...
+
+    TODO: cover physical machines
  5. remove from LDAP with `ldapvi` (STEP 6 above) TODO: add to Fabric,
     make sure you show the diff
  6. do one huge power-grep over all our source code, for example with