doc: Use proper markup for emphasis

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 57c4dcee9314b7efe33f2ae52345d66071c3179a..c50c28546de71e5dd347809f227dd1e44c61dca2 100644 (file)
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -1182,7 +1182,7 @@ include_dir 'conf.d'
        <para>
         Sets whether GSSAPI delegation should be accepted from the client.
         The default is <literal>off</literal> meaning credentials from the client will
-        NOT be accepted.  Changing this to <literal>on</literal> will make the server
+        <emphasis>not</emphasis> be accepted.  Changing this to <literal>on</literal> will make the server
         accept credentials delegated to it from the client. This parameter can only be
         set in the <filename>postgresql.conf</filename> file or on the server command line.
        </para>