diff --git a/doc/src/sgml/ref/update.sgml b/doc/src/sgml/ref/update.sgml
index 95e4310ab4..f3c7f3aa54 100644
--- a/doc/src/sgml/ref/update.sgml
+++ b/doc/src/sgml/ref/update.sgml
@@ -1,5 +1,5 @@
@@ -56,7 +56,7 @@ UPDATE [ ONLY ] table [ [ AS ] UPDATE privilege on the table
to update it, as well as the SELECT
privilege to any table whose values are read in the
- expressions or
+ expressions or
condition.
@@ -82,9 +82,7 @@ UPDATE [ ONLY ] table [ [ AS ] UPDATE foo AS f>, the remainder of the
UPDATE statement must refer to this table as
- f> not foo>. You cannot use the alias in
- the SET clause. For example, SET
- f.col = 1> is invalid.
+ f> not foo>.
@@ -96,7 +94,9 @@ UPDATE [ ONLY ] table [ [ AS ] table.
The column name can be qualified with a subfield name or array
- subscript, if needed.
+ subscript, if needed. Do not include the table's name in the
+ specification of a target column — for example,
+ UPDATE tab SET tab.col = 1> is invalid.