README.md in closure_tree-6.4.0 vs README.md in closure_tree-6.5.0

@@ -54,11 +54,11 @@
 - [Testing](#testing)
 - [Change log](#change-log)
 
 ## Installation
 
-Note that closure_tree only supports ActiveRecord 4.1 and later, and has test coverage for MySQL, PostgreSQL, and SQLite.
+Note that closure_tree only supports ActiveRecord 4.2 and later, and has test coverage for MySQL, PostgreSQL, and SQLite.
 
 1.  Add `gem 'closure_tree'` to your Gemfile
 
 2.  Run `bundle install`
 
@@ -617,11 +617,11 @@
 
 ## Testing
 
 Closure tree is [tested under every valid combination](http://travis-ci.org/#!/mceachen/closure_tree) of
 
-* Ruby 2.0, 2.2, 2.3.1
-* ActiveRecord 4.1, 4.2, and 5.0
+* Ruby 2.2, 2.3
+* ActiveRecord 4.2 and 5.0
 * PostgreSQL, MySQL, and SQLite. Concurrency tests are only run with MySQL and PostgreSQL.
 
 Assuming you're using [rbenv](https://github.com/sstephenson/rbenv), you can use ```tests.sh``` to
 run the test matrix locally.