README.md in google_spreadsheet_fetcher-2.0.1 vs README.md in google_spreadsheet_fetcher-2.1.0

- old
+ new

@@ -54,12 +54,13 @@
 
 https://github.com/taka0125/google_spreadsheet_fetcher/wiki/Use-OAuth2
 
 ## Development
 
-After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
-
-To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+```bash
+$ make setup
+$ make ruby/rspec
+```
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/taka0125/google_spreadsheet_fetcher.
 