<term><option>--tasks-max=</option><replaceable>TASKS</replaceable></term>
<listitem><para>Takes a non-zero unsigned integer as argument. Configures the maximum numer of tasks
- (i.e. processes and threads) the user may have at any given time. This limit applies to all tasks
- forked off the user's sessions, even if they change user identity via <citerefentry
- project='man-pages'><refentrytitle>su</refentrytitle><manvolnum>1</manvolnum></citerefentry> or a
- similar tool. Use <option>--rlimit=LIMIT_NPROC=</option> to place a limit on the tasks actually
+ (i.e. threads, where each process is at least one thread) the user may have at any given time. This
+ limit applies to all tasks forked off the user's sessions, even if they change user identity via
+ <citerefentry project='man-pages'><refentrytitle>su</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ or a similar tool. Use <option>--rlimit=LIMIT_NPROC=</option> to place a limit on the tasks actually
running under the UID of the user, thus excluding any child processes that might have changed user
identity. This controls the <varname>TasksMax=</varname> setting of the per-user systemd slice unit
<filename>user-$UID.slice</filename>. See