[BUG] Fetcher and Reporters documentation needs clarification

[JMccProgress]

General details

Link to page and section that needs updated: https://github.com/chef/chef-web-docs/blob/main/content/chef_compliance_phase.md

Product

[ ] Chef Automate [ ] Chef Habitat [X] Chef Infra Client [ ] Chef Infra Server [ ] Chef InSpec [ ] Other________________

Describe the update that needs to be made. Be as specific as possible:

Please clarify better the Fetcher and Reporters use.