advisory (L<flock(2)>-style) exclusive lock on this file while it is
running.
-=item C<$HOME/.whenjobs/jobs.cmo>
+=item C<$HOME/.whenjobs/*.cmo>
-This is the compiled jobs specification which the daemon loads on
+The compiled jobs specification file(s) which the daemon loads on
start up, or reloads when instructed to by the L<whenjobs(1)> tool.
+Normally you only have one, called C<jobs.cmo>, corresponding to the
+source file C<jobs.ml> which is edited by C<whenjobs -e>. It is
+possible to have multiple files, see L<whenjobs(1)/MULTIPLE JOBS FILES>.
+
=item C<$HOME/.whenjobs/socket>
The daemon creates this socket and listens for incoming connections