@@ -1118,9 +1118,10 @@ SELECT * FROM x, y, a, b, c WHERE something AND somethingelse;
11181118 so if your site does not require such a guarantee,
11191119 <productname>PostgreSQL</productname> can be configured to run
11201120 much faster. The following are configuration changes you can make
1121- to improve performance in such cases; they do not invalidate
1122- commit guarantees related to database crashes, only abrupt operating
1123- system stoppage, except as mentioned below:
1121+ to improve performance in such cases. Except as noted below, durability
1122+ is still guaranteed in case of a crash of the database software;
1123+ only abrupt operating system stoppage creates a risk of data loss
1124+ or corruption when these settings are used.
11241125
11251126 <itemizedlist>
11261127 <listitem>
@@ -1159,8 +1160,8 @@ SELECT * FROM x, y, a, b, c WHERE something AND somethingelse;
11591160 <para>
11601161 Turn off <xref linkend="guc-synchronous-commit">; there might be no
11611162 need to write the <acronym>WAL</acronym> to disk on every
1162- commit. This doesenable possible tranaction lossin case of
1163- a <emphasis>database</>crash .
1163+ commit. Thissetting doesrisk transaction loss(though not data
1164+ corruption) in case of a crash of the <emphasis>database</>alone .
11641165 </para>
11651166 </listitem>
11661167 </itemizedlist>