Fix invalid value of synchronous_commit in description of flush_lag

"remote_flush" has never been a valid user-facing value, but "on" is.

Author: Maksim Milyutin
Discussion: https://postgr.es/m/27b3b80c-3615-2d76-02c5-44566b53136c@gmail.com

diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 7aada1441794e6e2f80f2f7fe867b0e5457dc155..40e4298cf4e8e9cfd8d53d5a2290dcc2da4140ab 100644 (file)
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1868,7 +1868,7 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i
       notification that this standby server has written and flushed it
       (but not yet applied it).  This can be used to gauge the delay that
       synchronous_commit level
-      remote_flush incurred while committing if this
+      on incurred while committing if this
       server was configured as a synchronous standby.