README.md in opentelemetry-instrumentation-redis-0.16.0 vs README.md in opentelemetry-instrumentation-redis-0.17.0

@@ -43,9 +43,18 @@
 
 ## Example
 
 An example of usage can be seen in [`example/redis.rb`](https://github.com/open-telemetry/opentelemetry-ruby/blob/main/instrumentation/redis/example/redis.rb).
 
+## Development
+
+You'll need Redis installed locally to run the test suite. Once you've
+installed it, start it with the included configuration:
+
+```
+redis-server test/redis.conf
+```
+
 ## How can I get involved?
 
 The `opentelemetry-instrumentation-redis` gem source is [on github][repo-github], along with related gems including `opentelemetry-api` and `opentelemetry-sdk`.
 
 The OpenTelemetry Ruby gems are maintained by the OpenTelemetry-Ruby special interest group (SIG). You can get involved by joining us in [GitHub Discussions][discussions-url] or attending our weekly meeting. See the [meeting calendar][community-meetings] for dates and times. For more information on this and other language SIGs, see the OpenTelemetry [community page][ruby-sig].