[2005] on REJECT and DROP acl actions.

doc/guide/bind10-guide.xml

@@ -2150,6 +2150,12 @@ DDNS/zones[0]/update_acl[1]     {"action": "ACCEPT", "from": "::1", "key": "key.
       </para>
 
       <para>
+	Other actions than "ACCEPT", namely "REJECT" and "DROP", can be
+	used, too.
+	See <xref linkend="resolverserver"/> about their effects.
+      </para>
+
+      <para>
         Currently update ACL can only control updates per zone basis;
         it's not possible to specify access control with higher
         granularity such as for particular domain names or specific