README.md in tunable-0.0.2 vs README.md in tunable-0.0.3

@@ -17,10 +17,10 @@
 ``` rb
   user = User.create(:name => 'John Lennon')
   user.get_setting(:theme, :layout) # => nil
   user.get_setting(:theme, :color) # => nil
 
-  user.settings = { theme: { format: 'wide', color: 'red' } }
+  user.settings = { theme: { layout: 'wide', color: 'red' } }
   user.save
 
   user.get_setting(:theme, :layout) # => 'wide'
   user.get_setting(:theme, :color) # => 'red'
 ```