  <varlistentry>
  <term><emphasis remap='B'>nhelpers</emphasis></term>
  <listitem>
<para>how many <emphasis remap='I'>pluto helpers</emphasis> are started
to help with cryptographic operations. Pluto will start
<emphasis remap='I'>(n-1)</emphasis> of them, where <emphasis remap='I'>n</emphasis>
is the number of CPU's you have (including hypherthreaded CPU's).
A value of 0 forces pluto to do all operations in the main
process. A value of -1 tells pluto to perform the above calculation. Any
other value forces the number to that amount.
</para>
  </listitem>
  </varlistentry>
