Fix w3c link to traceparent spec
@@ -28,7 +28,7 @@ import org.slf4j.LoggerFactory;
/**
* This is an implementation of the
- * <a href="https://w3c.github.io/distributed-tracing/report-trace-context.html#traceparent-field">w3c traceparent header draft</a>.
+ * <a href="https://w3c.github.io/trace-context/#traceparent-field">w3c traceparent header draft</a>.
* <p>
* As this is just a draft at the moment,
* we don't use the official header name but prepend the custom prefix {@code Elastic-Apm-}.
