diff --git a/doc/src/sgml/ref/alter_user_mapping.sgml b/doc/src/sgml/ref/alter_user_mapping.sgml
new file mode 100644
index 3245f83..dce5ba4
*** a/doc/src/sgml/ref/alter_user_mapping.sgml
--- b/doc/src/sgml/ref/alter_user_mapping.sgml
*************** ALTER USER MAPPING FOR { <replaceable cl
*** 89,97 ****
    <title>Examples</title>
  
    <para>
     Change the password for user mapping <literal>bob</>, server<literal> foo</>:
  <programlisting>
! ALTER USER MAPPING FOR bob SERVER foo OPTIONS (user 'bob', password 'public');
  </programlisting></para>
  
   </refsect1>
--- 89,103 ----
    <title>Examples</title>
  
    <para>
+    Add a password for user mapping <literal>bob</>, server<literal> foo</>:
+ <programlisting>
+ ALTER USER MAPPING FOR bob SERVER foo OPTIONS (ADD password 'public');
+ </programlisting></para>
+ 
+   <para>
     Change the password for user mapping <literal>bob</>, server<literal> foo</>:
  <programlisting>
! ALTER USER MAPPING FOR bob SERVER foo OPTIONS (SET password 'public');
  </programlisting></para>
  
   </refsect1>