README.md in intercom-2.2.2 vs README.md in intercom-2.2.3

@@ -17,11 +17,11 @@
 
     gem install intercom
 
 Using bundler:
 
-    gem 'intercom', "~> 2.2.2"
+    gem 'intercom', "~> 2.2.3"
 
 ## Basic Usage
 
 ### Configure your access credentials
 
@@ -341,5 +341,15 @@
 Intercom::ResourceNotFound
 Intercom::BadRequestError
 Intercom::RateLimitExceeded
 Intercom::AttributeNotSetError # Raised when you try to call a getter that does not exist on an object
 ```
+
+### Rate Limiting
+
+Calling `Intercom.rate_limit_details` returns a Hash that contains details about your app's current rate limit.
+
+```ruby
+Intercom.rate_limit_details
+#=> {:limit=>180, :remaining=>179, :reset_at=>2014-10-07 14:58:00 +0100}
+```
+