diff --git a/doc/src/sgml/ref/values.sgml b/doc/src/sgml/ref/values.sgml
index d3a3aaff140..b0b0e24ae76 100644
--- a/doc/src/sgml/ref/values.sgml
+++ b/doc/src/sgml/ref/values.sgml
@@ -198,10 +198,10 @@ UPDATE employees SET salary = salary * v.increase
WHERE employees.depno = v.depno AND employees.sales >= v.target;
- Note that an AS clause is required when VALUES
- is used in a FROM clause, just as is true for
- SELECT. It is not required that the AS clause
- specify names for all the columns, but it's good practice to do so.
+ Note that a table alias is required when VALUES is used in
+ a FROM clause, just as is true for SELECT.
+ Assigning alias names to the columns of the VALUES list
+ is optional, but is good practice.
(The default column names for VALUES are column1,
column2, etc in PostgreSQL, but
these names might be different in other database systems.)