Update CHANGELOG.md
minor tweaks for consistency, to explain the purpose of the issampled boolean, and to provide better hints to customers as to what we have done here.
@@ -13,16 +13,17 @@ package.
indicates if the transaction is sampled. A sampled transaction records a
span event for each segment. Distributed tracing must be enabled for
transactions to be sampled. `false` is returned if the transaction has
- finished.
+ finished. This sampling flag is needed for B3 trace propagation and
+ future support of W3C Trace Context.
* Added support for adding [B3
Headers](https://github.com/openzipkin/b3-propagation) to outgoing requests.
This is helpful if the service you are calling uses B3 for trace state
propagation (for example, it uses Zipkin instrumentation). You can use the
new
- [`nrb3`](https://godoc.org/github.com/newrelic/go-agent/_integrations/nrb3)
+ [_integrations/nrb3](https://godoc.org/github.com/newrelic/go-agent/_integrations/nrb3)
package's
- [`NewRoundTripper`](https://godoc.org/github.com/newrelic/go-agent/_integrations/nrb3#NewRoundTripper)
+ [`nrb3.NewRoundTripper`](https://godoc.org/github.com/newrelic/go-agent/_integrations/nrb3#NewRoundTripper)
like this:
```go
