templates/index.html: update header

pyi2phosts/templates/index.html

@@ -18,7 +18,7 @@
 		use urls like <a href={% url pyi2phosts.jump.views.jumper 'example.i2p' %}>
 			http://{{ domain }}{% url pyi2phosts.jump.views.jumper 'example.i2p' %}<a/>.
 	</p>
-	<h2>Adding hosts</h2>
+	<h2>Registration service</h2>
 	<p>If you are running an eepsite or another service and want a human-readable domain name
 	for them, consider to <a href={% url pyi2phosts.postkey.views.addkey %}>registering it</a>.
 {% endblock %}