clarify example job instructions in CONTRIBUTING.md
This seeks to address issue
@@ -182,8 +182,13 @@ $ fly -t dev login -c http://localhost:8080 -u test -p test
```
**Create an example pipeline that runs a hello world job every minute:**
+[concourse/examples](https://github.com/concourse/examples) provides a collection
+of example Concourse pipelines. Use its `time-triggered.yml` pipeline to create a
+hello world job:
+
```sh
-$ fly -t dev set-pipeline -p example -c examples/hello-world-every-minute.yml
+$ git clone git@github.com:concourse/examples.git
+$ fly -t dev set-pipeline -p example -c examples/time-triggered.yml
```
**Unpause the example pipeline:**
