diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 2bf411d..10f0e59 100644
*** a/doc/src/sgml/datatype.sgml
--- b/doc/src/sgml/datatype.sgml
*************** SELECT 'super:*'::tsquery;
*** 3847,3853 ****
   'super':*
  </programlisting>
       This query will match any word in a <type>tsvector</> that begins
!      with <quote>super</>.
      </para>
  
      <para>
--- 3847,3874 ----
   'super':*
  </programlisting>
       This query will match any word in a <type>tsvector</> that begins
!      with <quote>super</>.  
!     </para>
! 
!     <para>
!      Note that text search configuration processing happens before
!      comparisons, which means this comparison returns <literal>true</>:
! <programlisting>
! SELECT to_tsvector( 'postgraduate' ) @@ to_tsquery( 'postgres:*' );
!  ?column? 
! ----------
!  t
! (1 row)
! </programlisting>
!      because <literal>postgres</> gets stemmed to <literal>postgr</>: 
! <programlisting>
! SELECT to_tsquery('postgres:*');
!  to_tsquery 
! ------------
!  'postgr':*
! (1 row)
! </programlisting>
!      which then matches <literal>postgraduate</>.
      </para>
  
      <para>