<varlistentry>
<term><varname>Cache=</varname></term>
- <listitem><para>Takes a boolean argument. If "yes" (the default), resolving a domain name which already got
- queried earlier will return the previous result as long as it is still valid, and thus does not result in a new
- network request. Be aware that turning off caching comes at a performance penalty, which is particularly
- high when DNSSEC is used.</para>
+ <listitem><para>Takes a boolean argument. If <literal>yes</literal> (the default), resolving a domain name
+ which already got queried earlier will return the previous result as long as it is still valid, and thus does
+ not result in a new network request. Be aware that turning off caching comes at a performance penalty, which
+ is particularly high when DNSSEC is used.</para>
<para>Note that caching is turned off implicitly if the configured DNS server is on a host-local IP address
(such as 127.0.0.1 or ::1), in order to avoid duplicate local caching.</para></listitem>