<term><option>ENV{<replaceable>key</replaceable>}</option></term>
<listitem>
<para>Set a device property value. Property names with a leading '.'
- are not stored in the database or exported to external tool or events.</para>
+ are neither stored in the database nor exported to events or
+ external tools (run by, say, the PROGRAM match key).</para>
</listitem>
</varlistentry>