README.md in metaractor-3.2.0 vs README.md in metaractor-3.3.0

@@ -343,16 +343,19 @@
 ### Further Reading
 For more examples of all of the above approaches, please see the specs.
 
 ## Development
 
-- `docker-compose build --pull`
-- `docker-compose run --rm metaractor` to run specs
+- `docker compose build --pull`
+- `docker compose run --rm metaractor` to run specs
 
+or with the Deskfile loaded:
+- `rspec spec`
+
 To release a new version:
 - Update the version number in `version.rb` and commit the result.
-- `docker-compose build --pull`
-- `docker-compose run --rm release`
+- `docker compose build --pull`
+- `docker compose run --rm release`
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/outstand/metaractor.