diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index b32bcbaa82e..e36dde81b7e 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
@@ -4353,6 +4353,11 @@ SELECT NULLIF(value, '(none)') ...
name[]
names of schemas in search path optionally including implicit schemas
+
+ backend_pid()
+ integer
+ process ID of the session backend
+
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 4c07f372941..c3b7eb44024 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1,5 +1,5 @@
@@ -480,14 +480,6 @@ postgres: user> database> host>
-
- backend_pid()
- integer
-
- Process ID of current backend
-
-
-
pg_stat_get_backend_pid(integer)
integer