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

@@ -2,25 +2,25 @@
 
 **A Ruby gem for converting relative paths to absolute URIs.**
 
 [![Gem](https://img.shields.io/gem/v/absolutely.svg?style=for-the-badge)](https://rubygems.org/gems/absolutely)
 [![Downloads](https://img.shields.io/gem/dt/absolutely.svg?style=for-the-badge)](https://rubygems.org/gems/absolutely)
-[![Build](https://img.shields.io/travis/com/jgarber623/absolutely/master.svg?style=for-the-badge)](https://travis-ci.com/jgarber623/absolutely)
+[![Build](https://img.shields.io/travis/com/jgarber623/absolutely/main.svg?style=for-the-badge)](https://travis-ci.com/jgarber623/absolutely)
 [![Dependencies](https://img.shields.io/depfu/jgarber623/absolutely.svg?style=for-the-badge)](https://depfu.com/github/jgarber623/absolutely)
 [![Maintainability](https://img.shields.io/codeclimate/maintainability/jgarber623/absolutely.svg?style=for-the-badge)](https://codeclimate.com/github/jgarber623/absolutely)
 [![Coverage](https://img.shields.io/codeclimate/c/jgarber623/absolutely.svg?style=for-the-badge)](https://codeclimate.com/github/jgarber623/absolutely/code)
 
 ## Key Features
 
 - Uses the [Addressable](https://github.com/sporkmonger/addressable) Ruby gem for improved URI parsing.
-- Supports Ruby 2.4 and newer.
+- Supports Ruby 2.5 and newer.
 
 ## Getting Started
 
-Before installing and using Absolutely, you'll want to have [Ruby](https://www.ruby-lang.org) 2.4 (or newer) installed. It's recommended that you use a Ruby version managment tool like [rbenv](https://github.com/rbenv/rbenv), [chruby](https://github.com/postmodern/chruby), or [rvm](https://github.com/rvm/rvm).
+Before installing and using Absolutely, you'll want to have [Ruby](https://www.ruby-lang.org) 2.5 (or newer) installed. It's recommended that you use a Ruby version managment tool like [rbenv](https://github.com/rbenv/rbenv), [chruby](https://github.com/postmodern/chruby), or [rvm](https://github.com/rvm/rvm).
 
-Absolutely is developed using Ruby 2.4.10 and is additionally tested against Ruby 2.5, 2.6, and 2.7 using [Travis CI](https://travis-ci.com/jgarber623/absolutely).
+Absolutely is developed using Ruby 2.5.8 and is additionally tested against Ruby 2.6 and 2.7 using [Travis CI](https://travis-ci.com/jgarber623/absolutely).
 
 ## Installation
 
 If you're using [Bundler](https://bundler.io), add Absolutely to your project's `Gemfile`:
 
@@ -94,10 +94,10 @@
 
 For convenience, the `base_uri` and `relative_uri` methods return instances of the `Addressable::URI` class. For more on this class' available methods, see [the Addressable Ruby gem's source code](https://github.com/sporkmonger/addressable).
 
 ## Contributing
 
-Interested in helping improve Absolutely? Awesome! Your help is greatly appreciated. See [CONTRIBUTING.md](https://github.com/jgarber623/absolutely/blob/master/CONTRIBUTING.md) for details.
+Interested in helping improve Absolutely? Awesome! Your help is greatly appreciated. See [CONTRIBUTING.md](https://github.com/jgarber623/absolutely/blob/main/CONTRIBUTING.md) for details.
 
 ## Acknowledgments
 
 Absolutely is written and maintained by [Jason Garber](https://sixtwothree.org).