<varlistentry><term><option>--allow-unauthenticated</option></term>
<listitem><para>Ignore if packages can't be authenticated and don't prompt about it.
- This is usefull for tools like pbuilder.
+ This is useful for tools like pbuilder.
Configuration Item: <literal>APT::Get::AllowUnauthenticated</literal>.</para></listitem>
</varlistentry>