diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 87586a7b06..c641361418 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1270,12 +1270,16 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
RecoveryWalAll
- Waiting for WAL from any kind of source (local, archive or stream) at recovery.
-
-
- RecoveryWalStream
Waiting for WAL from a stream at recovery.
+
+ RecoveryWalStream
+
+ Waiting when WAL data is not available from any kind of sources
+ (local, archive or stream) before trying again to retrieve WAL data,
+ at recovery.
+
+
SysLoggerMain
Waiting in main loop of syslogger process.