Updated docs

Author: marcingrzejszczak

README.adoc

@@ -100,7 +100,7 @@ NOTE: Set `spring.application.name=myService` (for instance) to see the service
 
 == Documentation
 
-Please visit the https://docs.spring.io/spring-cloud-sleuth/docs/[Spring Cloud Sleuth documentation page] to read more about the Spring Cloud Sleuth project.
+Please visit the https://docs.spring.io/spring-cloud-sleuth/docs/[Spring Cloud Sleuth documentation page] to read more about the Spring Cloud Sleuth project. You can check this project's https://spring-cloud-incubator.github.io/spring-cloud-sleuth-otel/docs/{project.version}/reference/html/[documentation here].
 
 == Building
 

docs/src/main/asciidoc/README.adoc

@@ -93,7 +93,7 @@ NOTE: Set `spring.application.name=myService` (for instance) to see the service
 
 == Documentation
 
-Please visit the https://docs.spring.io/spring-cloud-sleuth/docs/[Spring Cloud Sleuth documentation page] to read more about the Spring Cloud Sleuth project.
+Please visit the https://docs.spring.io/spring-cloud-sleuth/docs/[Spring Cloud Sleuth documentation page] to read more about the Spring Cloud Sleuth project. You can check this project's https://spring-cloud-incubator.github.io/spring-cloud-sleuth-otel/docs/{project.version}/reference/html/[documentation here].
 
 == Building