md syntax fix

howto/new-machine.md

@@ -177,7 +177,7 @@ above](#pre-requisites)! Some installers cover all of those steps, but most do n
     * This will tell you to add the host into LDAP, this should be
       done on the LDAP server (`db.torproject.org`), with:
 
-        ldapvi -ZZ --encoding=ASCII --ldap-conf -h db.torproject.org -D "uid=$USER,ou=users,dc=torproject,dc=org"
+          ldapvi -ZZ --encoding=ASCII --ldap-conf -h db.torproject.org -D "uid=$USER,ou=users,dc=torproject,dc=org"
 
       Make sure you review all fields, in particular `location` (`l`),
       `physicalHost`, `description` and `purpose` which do not have