add link to circleci config in README
@@ -102,7 +102,7 @@ For more information on building, running, and developing on the new React-based
## More information
* The source code is periodically indexed: [Prometheus Core](https://godoc.org/github.com/prometheus/prometheus).
- * You will find a CircleCI configuration in `.circleci/config.yml`.
+ * You will find a CircleCI configuration in [`.circleci/config.yml`](.circleci/config.yml).
* See the [Community page](https://prometheus.io/community) for how to reach the Prometheus developers and users on various communication channels.
## Contributing
