=head1 DESCRIPTION
This small program is the glue between collectd and nagios. collectd collects
-various performance statistics which is provides via the C<unixsock plugin>.
-This program is called by Nagios, connects to the UNIX socket and reads the
-values from collectd. It then returns B<OKAY>, B<WARNING> or B<CRITICAL>
-depending on the values and the ranges provided by Nagios.
+various performance statistics which it provides via the C<unixsock plugin>,
+see L<collectd-unixsock(5)>. This program is called by Nagios, connects to the
+UNIX socket and reads the values from collectd. It then returns B<OKAY>,
+B<WARNING> or B<CRITICAL> depending on the values and the ranges provided by
+Nagios.
=head1 ARGUMENTS AND OPTIONS
=item B<-g> B<none>I<|>B<average>I<|>B<sum>
When multiple data sources are selected from a value spec they can be handled
-differently dependin on this option. The values of the following meaning:
+differently depending on this option. The values of the following meaning:
=over 4
message to STDOUT and signals success or failure with it's return value. It
exists with a return value of B<0> for success or B<1> or B<2> for warning and
critical, respectively. If the values is not available or some other error
-occured it returnes B<3> for "unknown".
+occurred it returns B<3> for "unknown".
=head1 SEE ALSO
-L<collectd(1)>, L<collectd.conf(5)>, L<http://nagios.org/>
+L<collectd(1)>,
+L<collectd.conf(5)>,
+L<collectd-unixsock(5)>,
+L<http://nagios.org/>
=head1 AUTHOR
-Florian Forster E<lt>octo@verplant.orgE<gt>
+Florian Forster E<lt>octoE<nbsp>atE<nbsp>verplant.orgE<gt>
=cut