diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index f178835..898cdac 100644
*** a/doc/src/sgml/config.sgml
--- b/doc/src/sgml/config.sgml
*************** SET ENABLE_SEQSCAN TO OFF;
*** 1354,1360 ****
           simultaneously.  Raising this value will increase the number of I/O
           operations that any individual <productname>PostgreSQL</> session
           attempts to initiate in parallel.  The allowed range is 1 to 1000,
!          or zero to disable issuance of asynchronous I/O requests.
          </para>
  
          <para>
--- 1354,1361 ----
           simultaneously.  Raising this value will increase the number of I/O
           operations that any individual <productname>PostgreSQL</> session
           attempts to initiate in parallel.  The allowed range is 1 to 1000,
!          or zero to disable issuance of asynchronous I/O requests. Currently,
!          this setting only affects bitmap heap scans.
          </para>
  
          <para>