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-rw-r--r--doc/src/sgml/monitoring.sgml5
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 2281ba120f3..2cd8920645a 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -6147,8 +6147,9 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
<command>VACUUM</command> is currently vacuuming the indexes. If a table has
any indexes, this will happen at least once per vacuum, after the heap
has been completely scanned. It may happen multiple times per vacuum
- if <xref linkend="guc-maintenance-work-mem"/> is insufficient to
- store the number of dead tuples found.
+ if <xref linkend="guc-maintenance-work-mem"/> (or, in the case of autovacuum,
+ <xref linkend="guc-autovacuum-work-mem"/> if set) is insufficient to store
+ the number of dead tuples found.
</entry>
</row>
<row>