Fix release not typo.

doc/src/sgml/release.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.330 2005/04/02 02:42:01 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.331 2005/04/02 03:42:41 momjian Exp $
 -->
 
 <appendix id="release">
@@ -90,7 +90,7 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.330 2005/04/02 02:42:01 momjian
   platform.  (Magnus, Bruce)</para>
 <para>
   This makes Win32 behave like other supported platforms that require the 
-  administrator to make sure that data is guarantted to be written to permanent
+  administrator to make sure that data is guaranteed to be written to permanent
   storage after a sync operation.  To turn off the write cache on Win32, 
   from the <application>Device Manager</>, chose the drive properties, 
   then <literal>Policies</>.