From 5752dcd45bd8b9a9115d4be12b9a391464884a39 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed, 19 Jul 2017 12:58:36 -0400
Subject: [PATCH] Doc: add missing note about permissions needed to change
 log_lock_waits.

log_lock_waits is PGC_SUSET, but config.sgml lacked the standard
boilerplate sentence noting that.

Report: https://postgr.es/m/20170719100838.19352.16320@wrigleys.postgresql.org
---
 doc/src/sgml/config.sgml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 80d1679b14..b45b7f7f69 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -5376,6 +5376,7 @@ log_line_prefix = '%m [%p] %q%u@%d/%a '
         longer than <xref linkend="guc-deadlock-timeout"> to acquire a
         lock.  This is useful in determining if lock waits are causing
         poor performance.  The default is <literal>off</>.
+        Only superusers can change this setting.
        </para>
       </listitem>
      </varlistentry>
-- 
2.49.0