README.md in second_level_cache-2.2.5 vs README.md in second_level_cache-2.2.6

- old
+ new

@@ -17,10 +17,10 @@ In your gem file: ActiveRecord 5: ```ruby -gem 'second_level_cache', '~> 2.2.4' +gem 'second_level_cache', '~> 2.2.6' ``` For ActiveRecord 4: ```ruby