diff --git a/doc/src/sgml/contrib.sgml b/doc/src/sgml/contrib.sgml
index 146278472aa..7dd5c323f01 100644
--- a/doc/src/sgml/contrib.sgml
+++ b/doc/src/sgml/contrib.sgml
@@ -143,6 +143,7 @@ CREATE EXTENSION <replaceable>module_name</> FROM unpackaged;
  &test-decoding;
  &tsearch2;
  &tsm-system-rows;
+ &tsm-system-time;
  &unaccent;
  &uuid-ossp;
  &xml2;
diff --git a/doc/src/sgml/filelist.sgml b/doc/src/sgml/filelist.sgml
index fb95311dbf5..15d2855b132 100644
--- a/doc/src/sgml/filelist.sgml
+++ b/doc/src/sgml/filelist.sgml
@@ -148,6 +148,7 @@
 <!ENTITY test-shm-mq     SYSTEM "test-shm-mq.sgml">
 <!ENTITY tsearch2        SYSTEM "tsearch2.sgml">
 <!ENTITY tsm-system-rows SYSTEM "tsm-system-rows.sgml">
+<!ENTITY tsm-system-time SYSTEM "tsm-system-time.sgml">
 <!ENTITY unaccent      SYSTEM "unaccent.sgml">
 <!ENTITY uuid-ossp       SYSTEM "uuid-ossp.sgml">
 <!ENTITY vacuumlo        SYSTEM "vacuumlo.sgml">