<term><varname>$SYSTEMD_LESS</varname></term>
<listitem><para>Override the options passed to <command>less</command> (by default
- <literal>FRSXMK</literal>).</para></listitem>
+ <literal>FRSXMK</literal>).</para>
+
+ <para>If the value of <varname>$SYSTEMD_LESS</varname> does not include <literal>K</literal>,
+ and the pager that is invoked is <command>less</command>,
+ <keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> will be ignored by the
+ executable. This allows <command>less</command> to handle
+ <keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> itself.</para></listitem>
</varlistentry>
<varlistentry id='lesscharset'>