README.md in regexp_parser-2.2.0 vs README.md in regexp_parser-2.2.1

@@ -435,11 +435,11 @@
 
 - [js_regex](https://github.com/janosch-x/js_regex) converts Ruby regular expressions to JavaScript-compatible regular expressions.
 
 - [meta_re](https://github.com/ammar/meta_re) is a regular expression preprocessor with alias support.
 
-- [mutant](https://github.com/mbj/mutant) (before v0.9.0) manipulates your regular expressions (amongst others) to see if your tests cover their behavior.
+- [mutant](https://github.com/mbj/mutant) manipulates your regular expressions (amongst others) to see if your tests cover their behavior.
 
 - [rubocop](https://github.com/rubocop-hq/rubocop) is a linter for Ruby that uses regexp_parser to lint Regexps.
 
 - [twitter-cldr-rb](https://github.com/twitter/twitter-cldr-rb) is a localization helper that uses regexp_parser to generate examples of postal codes.
 
@@ -468,6 +468,6 @@
 * Unicode Standard Annex #44 [link](http://www.unicode.org/reports/tr44/)
 
 
 ---
 ##### Copyright
-_Copyright (c) 2010-2020 Ammar Ali. See LICENSE file for details._
+_Copyright (c) 2010-2022 Ammar Ali. See LICENSE file for details._