readme.md in appium_lib-9.0.0

- old
+ new
@@ -10,15 +10,16 @@
 - `arc` Opens the Appium Ruby Console (arc). Enables interactive testing.
   - `gem install appium_console` if it's not installed already.
 
 `UICatalog6.1` is from [appium/appium](https://github.com/appium/appium/blob/master/assets/UICatalog6.1.app.zip)
 
-The tests are now run against `iPhone 6 Simulator 9.3 (12F69)`
+There are two backend drivers available for iOS (automationName). UIAutomation which is supported up-to iOS 9.3 and XCUITest which is supported from 10.0 on. UIAutomation is deprecated but will continue to be supported for the time being.
 
+By default, the tests are now run against `iPhone 6 Simulator 10.1 (14A345)`
 #### Documentation
 
 - [Installing Appium on OS X](https://github.com/appium/ruby_console/blob/master/osx.md)
-- [Overview](https://github.com/appium/ruby_lib/blob/master/docs/docs.md) 
+- [Overview](https://github.com/appium/ruby_lib/blob/master/docs/docs.md)
 - [iOS methods](https://github.com/appium/ruby_lib/blob/master/docs/ios_docs.md)
 - [Minitest Expectations](http://ruby-doc.org/stdlib-1.9.3/libdoc/minitest/spec/rdoc/MiniTest/Expectations.html)
 
 --
 