diff -up ./doc/certutil.xml.ipsec_doc ./doc/certutil.xml

--- ./doc/certutil.xml.ipsec_doc	2019-05-10 14:14:18.000000000 -0700

+++ ./doc/certutil.xml	2019-06-05 16:49:44.229301383 -0700

@@ -428,6 +428,9 @@ of the attribute codes:

 	<listitem>

 <para><command>J</command> (as an object signer)</para>

 	</listitem>

+	<listitem>

+<para><command>I</command> (as an IPSEC user)</para>

+	</listitem>

 	</itemizedlist></listitem>

       </varlistentry>