diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 9129f79bbf..0e5a4a0b86 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1493,7 +1493,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
Waiting to apply WAL at recovery because it is delayed.
- IO
+ IO
BufFileRead
Waiting for a read from a buffered file.
@@ -1609,6 +1609,10 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
LogicalRewriteSync
Waiting for logical rewrite mappings to reach stable storage.
+
+ LogicalRewriteTruncate
+ Waiting for truncate of mapping data during a logical rewrite.
+
LogicalRewriteWrite
Waiting for a write of logical rewrite mappings.