diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index f627a3e63c..4a0c9ba97d 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -8319,7 +8319,9 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
measure the overhead of timing on your system.
I/O timing information is
displayed in
- pg_stat_database, in the output of
+ pg_stat_database,
+
+ pg_stat_io, in the output of
when the BUFFERS option
is used, in the output of when
the VERBOSE option is used, by autovacuum
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 991f629907..9ca74348c7 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -180,12 +180,12 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
The parameter enables monitoring
- of block read and write times.
+ of block read, write, extend, and fsync times.
The parameter enables monitoring
- of WAL write times.
+ of WAL write and fsync times.