templates/index.html: suggest adding self destination

pyi2phosts/templates/index.html

@@ -17,7 +17,8 @@
 	To start getting new hostnames from {{ title }}, add this
 	<a href=/export/alive-hosts.txt>subscription link</a> into your <a
 		href=http://localhost:7657/susidns/subscriptions.jsp>router's
-		addressbook</a>.
+		addressbook</a>. Of course, you should <a
+		href=http://localhost:7657/susidns/addressbook.jsp?book=private&hostname={{ domain }}&destination={{ b64 }}>add INR</a>'s destination before.
 	</p>
 
 	<h2>Jump service</h2><p>