README.md in libhoney-2.2.0 vs README.md in libhoney-2.3.0

@@ -13,9 +13,11 @@
 
 For tracing support and automatic instrumentation of Rails, Sinatra, Rack, ActiveRecord, and other frameworks, check out our [Beeline for Ruby](https://github.com/honeycombio/beeline-ruby).
 
 ## Contributions
 
+See [DEVELOPMENT.md](./DEVELOPMENT.md)
+
 Features, bug fixes and other changes to `libhoney` are gladly accepted. Please
 open issues or a pull request with your change. Remember to add your name to the
 CONTRIBUTORS file!
 
 All contributions will be released under the Apache License 2.0.