Bruno's suggestions

Author: holly-cummins

docs/src/main/asciidoc/extension-maturity-matrix.adoc

@@ -161,7 +161,7 @@ Extensions may wish to xref:writing-extensions#extension-defined-endpoints[defin
 
 === Tracing context
 
-You should test that OpenTelemetry output for applications using your extension have properly-defined spans. You may need to do extra work to ensure spans are created with the right OpenTracing ID.
+You should test that OpenTelemetry output for applications using your extension have properly-defined spans. You may need to do extra work to ensure spans are created with the right tracing ID.
 For example, extensions which have reactive internals should support xref:duplicated-context.adoc[duplicated contexts] for correct context propagation.
 
 === Advanced Kubernetes and containers integration