README.md in formtastic-4.0.0 vs README.md in formtastic-5.0.0

@@ -14,11 +14,12 @@
 * [We have a wiki on GitHub](https://github.com/formtastic/formtastic/wiki)
 * [StackOverflow can help](https://stackoverflow.com/questions/tagged/formtastic)
 
 ## Compatibility
 
-* Formtastic 4 requires Rails 5.2 and Ruby 2.5 minimum
+* Formtastic 5 requires Rails 6.0 and Ruby 2.6 minimum
+* Formtastic 4 requires Rails 5.2 and Ruby 2.4 minimum
 * Formtastic 3 requires Rails 3.2.13 minimum
 * Formtastic 2 requires Rails 3
 * Formtastic, much like Rails, is very ActiveRecord-centric. Many are successfully using other ActiveModel-like ORMs and objects (DataMapper, MongoMapper, Mongoid, Authlogic, Devise...) but we're not guaranteeing full compatibility at this stage. Patches are welcome!
 
 ## The Story
@@ -86,11 +87,11 @@
 ## Installation
 
 Simply add Formtastic to your Gemfile and bundle it up:
 
 ```ruby
-  gem 'formtastic', '~> 4.0'
+  gem 'formtastic', '~> 5.0'
 ```
 
 Run the installation generator:
 
 ```shell
@@ -567,9 +568,13 @@
 
 ```ruby
   class FlexibleTextInput < Formtastic::Inputs::StringInput
     def input_html_options
       super.merge(:class => "flexible-text-area")
+    end
+
+    def options
+      super.merge(hint: 'This is a flexible text area')
     end
   end
 ```
 
 You can also extend existing input behavior by using the input generator: