diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 4265a22d4de..823afe1b30b 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -3980,6 +3980,7 @@ description | Waiting for a newly initialized WAL file to reach durable storage
Estimated number of rows inserted since this table was last vacuumed
+ (not counting VACUUM FULL)
@@ -4066,7 +4067,8 @@ description | Waiting for a newly initialized WAL file to reach durable storage
total_vacuum_time double precision
- Total time this table has been manually vacuumed, in milliseconds.
+ Total time this table has been manually vacuumed, in milliseconds
+ (not counting VACUUM FULL).
(This includes the time spent sleeping due to cost-based delays.)