document range of lifetime.

diff --git a/raddb/sites-available/dynamic-clients b/raddb/sites-available/dynamic-clients
index d8b83e0020e7e08580d730babad48d5dbae423c9..ecb8a259b57923d18a7f23c9a2f8f8c216ac72bc 100644 (file)
--- a/raddb/sites-available/dynamic-clients
+++ b/raddb/sites-available/dynamic-clients
@@ -155,6 +155,11 @@ server dynamic_clients {
                                #  If the client is not renewed, then
                                #  the pending packets are discarded.
                                #
+                               #  Allowed values: 30..86400
+                               #
+                               #  The special value of "0" means that
+                               #  the client lives forever.
+                               #
                                lifetime = 3600
                        }
                }