diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
new file mode 100644
index 059697e..c722532
*** a/doc/src/sgml/wal.sgml
--- b/doc/src/sgml/wal.sgml
***************
*** 193,201 ****
      </listitem>
      <listitem>
       <para>
!       Data pages are not currently checksummed, though full page images recorded
!       in WAL records will be protected. Data pages have a 16-bit field available
!       for future use with a data page checksum feature.
       </para>
      </listitem>
      <listitem>
--- 193,202 ----
      </listitem>
      <listitem>
       <para>
!       Data pages are not currently checksummed by default, though full page images
!       recorded in WAL records will be protected;  see<link
!       linkend="app-initdb-data-checksums"><application>initdb</></link>
!       for details about enabling data page checksums.
       </para>
      </listitem>
      <listitem>