update +[no]sit description

diff --git a/bin/dig/dig.docbook b/bin/dig/dig.docbook
index e0ce45c1b99f4de288942d8a2dcd87385cc87050..6a8bcb837d95f81d3413866ebd59cd947a394bc6 100644 (file)
--- a/bin/dig/dig.docbook
+++ b/bin/dig/dig.docbook
@@ -956,11 +956,17 @@
          <term><option>+[no]sit<optional>=####</optional></option></term>
          <listitem>
            <para>
-             Send a Source Identity Token EDNS option, with optional
-             value.  Replaying a SIT from a previous response will
+             Send a DNS COOKIE option, with optional value.
+             Replaying a DNS COOKIE from a previous response will
              allow the server to identify a previous client.  The
-             default is <option>+nosit</option>.  Currently using
-             experimental value 65001 for the option code.
+             default is <option>+nosit</option>.
+           </para>
+           <para>
+             This option is <option>+[no]cookie</option> from
+             BIND 9.11.0 onwards.  BIND 9.10.0 through BIND 9.10.2
+             sent the experimental option code 65001.  This was
+             changed to 10 in BIND 9.10.3 when the DNS COOKIE
+             option was allocated.
            </para>
          </listitem>
        </varlistentry>