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-rw-r--r--doc/src/sgml/config.sgml1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 80d1679b147..b45b7f7f69b 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>