Fix README (#3043)

### Description of change

##### Checklist

- [ ] Tested in playground or other setup
- [ ] Screenshot (Grafana) from playground added to PR for 15+ minute
run
- [ ] Documentation is changed or added
- [ ] Tests and/or benchmarks are included
- [ ] Breaking changes

README.md

@@ -80,7 +80,7 @@ cloud application:
   Aperture aligns resource distribution with business value and urgency of
   requests. Workload prioritization applies to API Quota Management and Adaptive
   Queuing use cases.
-- 💾 [**Caching**]: Boost application performance and reduce costs by caching
+- 💾 **Caching**: Boost application performance and reduce costs by caching
   costly operations, preventing duplicate requests to pay-per-use services, and
   easing the load on constrained services.