Write cache doc cleanups

Greg Smith

diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
index 96bfaf01188357cb469786890911ab5d1f1e0d9e..f2450cdedc25865d5bcdab97c7367438e0a25650 100644 (file)
--- a/doc/src/sgml/wal.sgml
+++ b/doc/src/sgml/wal.sgml
@@ -57,11 +57,11 @@
    And finally, most disk drives have caches. Some are write-through
    while some are write-back, and the
    same concerns about data loss exist for write-back drive caches as
-   exist for disk controller caches.  Consumer-grade IDE drives are
+   exist for disk controller caches.  Consumer-grade IDE and SATA drives are
    particularly likely to have write-back caches that will not survive a
    power failure.  To check write caching on <productname>Linux</> use
    <command>hdparm -I</>;  it is enabled if there is a <literal>*</> next
-   to <literal>Write cache</>.  <command>hdparm -W</> can to turn off
+   to <literal>Write cache</>.  <command>hdparm -W</> to turn off
    write caching.  On <productname>FreeBSD</> use
    <application>atacontrol</>.  (For SCSI disks use <ulink
    url="http://sg.torque.net/sg/sdparm.html"><application>sdparm</></ulink>