Remove overlooked reference about the official instance, and add a step 0 warning about requirements for that

Author: JustAnotherArchivist

INSTALL.pipeline

@@ -1,3 +1,10 @@
+** STEP 0: OFFICIAL PIPELINE REQUIREMENTS **
+
+If you want to operate a pipeline for ArchiveTeam's official ArchiveBot instance,
+please read https://wiki.archiveteam.org/index.php/ArchiveBot#Volunteer_to_run_a_Pipeline
+before continuing.
+
+
 ** STEP 1: INSTALL EVERYTHING **
 
 To run the pipeline, you will need:
@@ -38,12 +45,10 @@ Then do:
     cat ~/.ssh/id_rsa.pub
 
 At this point, copy the public key output from your screen (it should start 
-with "ssh-rsa" followed by a bunch of letters and numbers), and put it in 
-an e-mail to David Yip (yipdw), letting him know that you're setting up a new 
-ArchiveBot pipeline, and that this is your new server's public key. Also let 
-him know a username you'd like for yourself, if you don't already have one. 
-He will set things up so your new pipeline server can coordinate with the 
-others, and will be allowed to upload finished WARCs to the Internet Archive.
+with "ssh-rsa" followed by a bunch of letters and numbers), and give it to the
+person operating the control node (aka backend). They will then set things up
+so your new pipeline can coordinate with the others, and they will give you back
+the username and hostname you will need for step 4.
 
 
 ** STEP 3: FINALLY, IT'S TIME TO INSTALL ARCHIVEBOT CODE **