README.md in briar-0.1.3.b6 vs README.md in briar-0.1.3.b7

@@ -13,10 +13,10 @@
 
 DRY: I have several iOS projects that use calabash-cucumber and I found I was rewriting lots of steps and supporting code.  
 
 ## Installation 
 
-Requires ruby >= 1.9.2
+Requires ruby >= 1.8.7; ruby 2.0 is recommended.
 
 In your Gemfile:
 
 ```
 gem 'briar'