README.md in reactor-0.18.0 vs README.md in reactor-0.19.0

@@ -26,20 +26,20 @@
 
     $ gem install reactor
 
 ## Usage
 
-Well, this is evolving, so it's probably best to go read the specs.
+Well, this is evolving, so it's probably best to go read the specs as
+well as below.
 
 
 ### Barebones API
 
 ```ruby
 Reactor::Event.publish(:event_name, any: 'data', you: 'want')
 ```
 
-### ActiveModel extensions
 
 #### Publishable
 
   Describe lifecycle events like so
 
@@ -285,9 +285,18 @@
 ```
 
 If no -> you can probably just delete the subscriber. 
 In the worst case scenario, you get some background exceptions for a job you didn't intend to have run anyway. Pick your poison. 
 
+#### Managing Queues
+
+There will likely be more queue theory here later, but for now here are the features.
+
+Everything is done on Sidekiq `default` queue by default.
+
+Subscribers can opt into certain queues with `on_event :whatever, sidekiq_options: { queue: 'whatever' }` argument.
+
+You can also override _all queue choices_ with `ENV['REACTOR_QUEUE']`. You may want to do this if you wish to contain the 'cascade' of events for more expensive or risky operations.
 
 ## Contributing
 
 1. Fork it
 2. Create your feature/fix branch (`git checkout -b my-new-feature`)