mod_s2s_keepalive/README: Clarify options (fixes #675)

author: Kim Alvefur <zash@zash.se>
date: Tue, 29 May 2018 05:04:52 +0200
parent: 2162:f1ea8044f9f8
child: 3723:427879b46061
--- a/mod_s2s_keepalive/README.markdown	Tue May 29 04:36:56 2018 +0200
+++ b/mod_s2s_keepalive/README.markdown	Tue May 29 05:04:52 2018 +0200
@@ -11,9 +11,11 @@
 Configuration
 =============
 
-Simply add the module to the `modules_enabled` list and specify your
-desired servers in `keepalive_servers`. Optionally you can configure
-the ping interval.
+Simply add the module to the `modules_enabled` list like any other
+module. By default, all current s2s connections will be pinged
+periodically. To ping only a subset of servers, list these in
+`keepalive_servers`. The ping interval can be set using
+`keepalive_interval`.
 
 ``` lua
 modules_enabled = {