<listitem>
<para>
Whether upstream signatures should be imported as well (when
- using pristine-tar). <emphasis>no</emphasis> turns this
- off completely while <emphasis>yes</emphasis> always tries to
+ using pristine-tar). <emphasis>off</emphasis> turns this
+ off completely while <emphasis>on</emphasis> always tries to
import a signature (which can be useful if you want to fail if
e.g. &uscan; did not fetch a signature). The default
<emphasis>auto</emphasis> means to import a signature file if