diff --git a/doc/src/sgml/ref/pg_dump.sgml b/doc/src/sgml/ref/pg_dump.sgml
index 34536bf18f..71bab9681b 100644
--- a/doc/src/sgml/ref/pg_dump.sgml
+++ b/doc/src/sgml/ref/pg_dump.sgml
@@ -1,5 +1,5 @@
@@ -726,14 +726,16 @@ PostgreSQL documentation
PGDATABASE
PGHOST
+ PGOPTIONS
PGPORT
- PGUSER
+ PGUSER
Default connection parameters.
+
@@ -757,6 +759,13 @@ PostgreSQL documentation
variables used by the libpq front-end
library will apply.
+
+ The database activity of pg_dump is normally collected by the statistics collector.
+ If this is undesirable, you can set parameters stats_block_level and stats_row_level to false
+ via the libpq> PGOPTIONS environment variable, or via ALTER USER.
+
+
+
diff --git a/doc/src/sgml/ref/pg_dumpall.sgml b/doc/src/sgml/ref/pg_dumpall.sgml
index e05e4f075d..dfb8d0dc6f 100644
--- a/doc/src/sgml/ref/pg_dumpall.sgml
+++ b/doc/src/sgml/ref/pg_dumpall.sgml
@@ -1,5 +1,5 @@
@@ -445,6 +445,7 @@ PostgreSQL documentation
PGHOST
+ PGOPTIONS
PGPORT
PGUSER
diff --git a/doc/src/sgml/ref/pg_restore.sgml b/doc/src/sgml/ref/pg_restore.sgml
index 92c9f4be93..787db5e884 100644
--- a/doc/src/sgml/ref/pg_restore.sgml
+++ b/doc/src/sgml/ref/pg_restore.sgml
@@ -1,4 +1,4 @@
-
+
@@ -559,6 +559,7 @@
PGHOST
+ PGOPTIONS
PGPORT
PGUSER