<command>pg_upgrade</command>
<arg choice="plain"><option>-b</option></arg>
<arg choice="plain"><replaceable>oldbindir</replaceable></arg>
- <arg choice="plain"><option>-B</option></arg>
- <arg choice="plain"><replaceable>newbindir</replaceable></arg>
+ <arg choice="opt"><option>-B</option> <replaceable>newbindir</replaceable></arg>
<arg choice="plain"><option>-d</option></arg>
<arg choice="plain"><replaceable>oldconfigdir</replaceable></arg>
<arg choice="plain"><option>-D</option></arg>