diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 3de1adafc9a..106c4cf775f 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,5 +1,5 @@
@@ -7406,6 +7406,60 @@ SELECT pg_type_is_visible('myschema.widget'::regtype);
columns do not have OIDs of their own.
+
+ pg_cancel_backend
+
+
+
+ pg_terminate_backend
+
+
+
+ signal
+ backend processes
+
+
+
+ The functions shown in send control signals to
+ other server processes. Use of these functions is restricted
+ to superusers.
+
+
+
+ Backend Signalling Functions
+
+
+ Name Return Type Description
+
+
+
+
+
+
+ pg_cancel_backend(pid)
+
+ int
+ Cancel a backend's current query
+
+
+
+ pg_terminate_backend(pid)
+
+ int
+ Terminate a backend process
+
+
+
+
+
+
+ These functions return 1 if successful, 0 if not successful.
+ The process ID (pid) of an active backend can be found
+ from the procpid column in the
+ pg_stat_activity view, or by listing the postgres
+ processes on the server.
+