Make the two modes of check_http more obvious.

See https://github.com/monitoring-plugins/monitoring-plugins/issues/1553

diff --git a/doc/10-icinga-template-library.md b/doc/10-icinga-template-library.md
index 231a112dce517df373a15128b9fb9684ab9628d2..aa38ee46fc008399cab2bb4f01d31450256815a2 100644 (file)
--- a/doc/10-icinga-template-library.md
+++ b/doc/10-icinga-template-library.md
@@ -600,6 +600,8 @@ tests the HTTP service on the specified host. It can test normal (http) and secu
 (https) servers, follow redirects, search for strings and regular expressions,
 check connection times, and report on certificate expiration times.
 
+The plugin can either test the HTTP response of a server, or if `http_certificate` is set to a non-empty value, the TLS certificate age for a HTTPS host.
+
 Custom attributes passed as [command parameters](03-monitoring-basics.md#command-passing-parameters):
 
 Name                             | Description
@@ -2596,7 +2598,7 @@ Custom attributes passed as [command parameters](03-monitoring-basics.md#command
 Name                            | Description
 --------------------------------|-----------------------------------------------------------------------
 lsi_controller_number           | **Optional.** Controller number to monitor.
-storcli_path                    | **Optional.** Path to the `storcli` binary, e.g. "/usr/sbin/storcli". 
+storcli_path                    | **Optional.** Path to the `storcli` binary, e.g. "/usr/sbin/storcli".
 lsi_enclosure_id                | **Optional.** Enclosure numbers to be checked, comma-separated.
 lsi_ld_id                       | **Optional.** Logical devices to be checked, comma-separated.
 lsi_pd_id                       | **Optional.** Physical devices to be checked, comma-separated.