diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 30dd54c..1707d40 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -532,10 +532,10 @@ include_dir 'conf.d'
       </term>
       <listitem>
        <para>
-         Specifies the configuration file for
-         <xref linkend="auth-username-maps"> user name mapping
-         (customarily called <filename>pg_ident.conf</>).
-         This parameter can only be set at server start.
+         Specifies the configuration file
+         for <link linkend="auth-username-maps">user name mapping</link>
+         (customarily called <filename>pg_ident.conf</>).  This parameter can
+         only be set at server start.
        </para>
       </listitem>
      </varlistentry>