Recommend third-party tracing/observability solutions

Closes gh-17047

spring-boot-project/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc

@@ -2230,8 +2230,12 @@ HTTP Tracing can be enabled by providing a bean of type `HttpTraceRepository` in
 configuration. For convenience, Spring Boot offers an `InMemoryHttpTraceRepository` that stores traces
 for the last 100 request-response exchanges, by default. `InMemoryHttpTraceRepository` is limited
 compared to other tracing solutions and we recommend using it only for development environments.
-For production environments, consider creating your own alternative `HttpTraceRepository` implementation.
-You can view the `httptrace` endpoint and obtain information about the request-response exchanges.
+For production environments, use of a production-ready tracing or observability solution, such as
+Zipkin or Spring Cloud Sleuth, is recommended. Alternatively, create your own `HttpTraceRepository`
+that meets your needs.
+
+The `httptrace` endpoint can be used to obtain information about the request-response exchanges that
+are stored in the `HttpTraceRepository`.