diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml
index 138bdf2a75..a267968841 100644
--- a/doc/src/sgml/high-availability.sgml
+++ b/doc/src/sgml/high-availability.sgml
@@ -861,7 +861,7 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass'
You can retrieve a list of WAL sender processes via the
-
+
pg_stat_replication> view. Large differences between
pg_current_wal_lsn> and the view's sent_lsn> field
might indicate that the master server is under heavy load, while
@@ -869,6 +869,14 @@ primary_conninfo = 'host=192.168.1.50 port=5432 user=foo password=foopass'
pg_last_wal_receive_lsn> on the standby might indicate
network delay, or that the standby is under heavy load.
+
+ On a standby, the status of the WAL receiver process can be retrieved
+ via the
+ pg_stat_wal_receiver> view. A large difference between
+ pg_last_wal_replay_lsn> and the view's
+ received_lsn> indicates that WAL is being received faster than
+ it can be replayed.
+