</term>
<listitem>
<para>
- A tag that can be set on a message by the user in order to draw
- attention to the message. Marks are shown in the Mark column of the
- Message List.
+ An arbitrary indicator that can be set on a message by the user in
+ order to draw attention to the message. Marks are shown in the Mark
+ column of the Message List.
</para>
</listitem>
</varlistentry>