Tell people to wait for a bit before registering their server, so they can properly ensure it is working

svn:r5549

doc/tor-doc-server.html

@@ -186,7 +186,8 @@ make a fresh directory.</p>
 <br />
 
 <p>
-Once you are convinced it's working, you should register your server.
+Once you are convinced it's working (after a day or two maybe), you should
+register your server.
 This reserves your nickname so nobody else can take it, and lets us
 contact you if you need to upgrade or something goes wrong.
 </p>