diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index 0b1e0440d10654510b18ec950c893f2bc24746b0..00a477ef885d9338d23830aa057776f1c1830019 100644
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -1001,7 +1001,7 @@ ALTER TABLE ONLY distributors DROP CONSTRAINT zipchk;
   <para>
    To add a foreign key constraint to a table:
 <programlisting>
-ALTER TABLE distributors ADD CONSTRAINT distfk FOREIGN KEY (address) REFERENCES addresses (address) MATCH FULL;
+ALTER TABLE distributors ADD CONSTRAINT distfk FOREIGN KEY (address) REFERENCES addresses (address);
 </programlisting>
   </para>