README.md in catch_cache-0.1.0 vs README.md in catch_cache-0.2.0

@@ -18,10 +18,12 @@
 
     $ gem install catch_cache
 
 ## Usage
 
+### To cache objects
+
 ```ruby
 class ServiceWithAVerySlowQuery
   include CatchCache::Cache
 
   def query
@@ -32,10 +34,11 @@
     end
   end
 end
 ```
 
+### :flush_cache!
 In your AR model:
 
 ```ruby
 class LoanApplication < ActiveRecord::Base
   include CatchCache::Flush
@@ -44,10 +47,10 @@
 
   # Everytime the :after_commit AR callback is called,
   # the Redis cache with id "lead_timeline_logs_#{lead.id}"
   # is going to be flushed
 
-  cache_id :lead_timeline_logs, after_commit: -> { lead.id }
+  cache_id :lead_timeline_logs, after_commit: -> { flush_cache!: -> { lead.id } }
 end
 ```
 
 ### :flush_all!
 Use `:flush_all` to clear the cache for all the keys with the suffix defined in `cache_id`