diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index 41acda0..c02dc38 100644
*** a/doc/src/sgml/ref/alter_table.sgml
--- b/doc/src/sgml/ref/alter_table.sgml
***************
*** 85,90 **** ALTER TABLE [ IF EXISTS ] name
--- 85,104 ----
OWNER TO { new_owner | CURRENT_USER | SESSION_USER }
REPLICA IDENTITY { DEFAULT | USING INDEX index_name | FULL | NOTHING }
+ and column_constraint is:
+
+ [ CONSTRAINT constraint_name ]
+ { NOT NULL |
+ NULL |
+ CHECK ( expression ) [ NO INHERIT ] |
+ DEFAULT default_expr |
+ GENERATED { ALWAYS | BY DEFAULT } AS IDENTITY [ ( sequence_options ) ] |
+ UNIQUE index_parameters |
+ PRIMARY KEY index_parameters |
+ REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ]
+ [ ON DELETE action ] [ ON UPDATE action ] }
+ [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
+
and table_constraint is:
[ CONSTRAINT constraint_name ]