Reword new contributions in CHANGELOG.md and README.md

Author: jbern0rd

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 
 ## [[7.3.0]](https://github.com/iExecBlockchainComputing/iexec-result-proxy/releases/tag/v7.3.0) 2023-01-18
 
-* Add health endpoint to allow health checks mechanism enablement.
+* Add endpoint to allow health checks.
 
 ## [[7.2.0]](https://github.com/iExecBlockchainComputing/iexec-result-proxy/releases/tag/v7.2.0) 2023-01-09
 

README.md

@@ -33,6 +33,6 @@ You can configure the iExec Result Proxy with the following properties:
 
 ## Health checks
 
-A `/actuator/health` endpoint is enabled by default and can be accessed on the **IEXEC_RESULT_PROXY_PORT**.
+An health endpoint (`/actuator/health`) is enabled by default and can be accessed on the **IEXEC_RESULT_PROXY_PORT**.
 This endpoint allows to define health checks in an orchestrator or a [compose file](https://github.com/compose-spec/compose-spec/blob/master/spec.md#healthcheck).
 No default strategy has been implemented in the [Dockerfile](Dockerfile) at the moment.