diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index cb22afbd37..105d541534 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -2575,7 +2575,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
Number of heap blocks scanned. Because the
visibility map> is used to optimize scans,
some blocks will be skipped without inspection; skipped blocks are
- included this total, so that this number will eventually become
+ included in this total, so that this number will eventually become
equal to heap_blks_total> when the vacuum is complete.
This counter only advances when the phase is scanning heap>.