diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index e98b36fdcf..6578159d90 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -1,5 +1,5 @@
@@ -1068,7 +1068,7 @@ testdb=>
the listing to system objects; without S,
only non-system objects are shown. If + is
appended to the command name, each object is listed with its
- associated description, if any.
+ physical size on disk and its associated description, if any.