Update the attention set docs to reflect the new rules

Change-Id: I0aadbc7018994539fd258c19051b19e078ac16e2
diff --git a/Documentation/user-attention-set.txt b/Documentation/user-attention-set.txt
index 5c3a28e..bf6f52e 100644
--- a/Documentation/user-attention-set.txt
+++ b/Documentation/user-attention-set.txt
@@ -5,6 +5,9 @@
 your Gerrit from master, you can enable it using
 link:config-gerrit.html#change.enableAttentionSet[enableAttentionSet].
 
+Report a bug or send feedback using
+link:https://bugs.chromium.org/p/gerrit/issues/entry?template=Attention+Set[this Monorail template].
+
 [[whose-turn]]
 == Whose turn is it?
 
@@ -39,9 +42,11 @@
 * If an active change is submitted, abandoned or reset to "work in progress",
   then all users are removed from the attention set.
 * Replying (commenting, voting or just writing a change message) removes the
-  replying user from the attention set.
-** If a *reviewer* replies, then add the change owner to the attention set.
-** If the *change owner* replies, then add all reviewers to the attention set.
+  replying user from the attention set. And it adds all participants of comment
+  conversations that the user is replying to.
+* If a *reviewer* replies, then the change owner (and uploader) are added to the
+  attention set.
+* Only owner, uploader, reviewers and ccs can be in the attention set.
 
 *!IMPORTANT!* These rules are not meant to be super smart and to always do the
 right thing, e.g. if the change owner sends a reply, then they are often
@@ -78,6 +83,8 @@
 
 === Bots
 
+[Caveat: This is not fully implemented yet!]
+
 The attention set is meant for human reviews only. Triggering bots and reacting
 to their results is a different workflow and not in scope of the attenion set.
 Thus members of the "Non-Interactive Users" group will never be added to the