add doc bits for new postgresql option

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index 03871a4..2a1fc50 100644 (file)
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -4962,6 +4962,10 @@ Specify the username to be used when connecting to the server.
 
 Specify the password to be used when connecting to the server.
 
+=item B<ExpireDelay> I<delay>
+
+Skip expired values in query output.
+
 =item B<SSLMode> I<disable>|I<allow>|I<prefer>|I<require>
 
 Specify whether to use an SSL connection when contacting the server. The