At the top-right of the Background Tasks page you either have the ability to tune the number of CE workers (EE+) or a "?" with a mouseover promoting EE. The promotion in CE & DE needs 2 changes.
- replace the small grey '?' with the slightly larger & more visible, blue '+' that's used in CE on the project homepage to promote Branch/PR analysis
- update the mouseover wording:
- Title: Speed up analysis with parallel processing
- Text: Configure multiple workers for parallel processing of analysis reports in Enterprise Edition.
- Link: https://www.sonarqube.org/trial-request/enterprise-edition/?referrer=sonarqube-background-tasks