diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index 286c7a85897..c9d168535b4 100644
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -85,6 +85,20 @@ ALTER TABLE [ IF EXISTS ] name
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 ]
@@ -96,11 +110,26 @@ ALTER TABLE [ IF EXISTS ] name
[ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON UPDATE action ] }
[ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
+index_parameters in UNIQUE, PRIMARY KEY, and EXCLUDE constraints are:
+
+[ WITH ( storage_parameter [= value] [, ... ] ) ]
+[ USING INDEX TABLESPACE tablespace_name ]
+
+exclude_element in an EXCLUDE constraint is:
+
+{ column_name | ( expression ) } [ opclass ] [ ASC | DESC ] [ NULLS { FIRST | LAST } ]
+
and table_constraint_using_index is:
[ CONSTRAINT constraint_name ]
{ UNIQUE | PRIMARY KEY } USING INDEX index_name
[ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
+
+and partition_bound_spec is:
+
+IN ( { numeric_literal | string_literal | NULL } [, ...] ) |
+FROM ( { numeric_literal | string_literal | MINVALUE | MAXVALUE } [, ...] )
+ TO ( { numeric_literal | string_literal | MINVALUE | MAXVALUE } [, ...] )