Does the gRPC example already shows W3C Context Tracing propagation?

[mapaaa]

The README.md in the gRPC examples states:
W3c Trace Context Propagation (Very soon!)
Permalink: https://github.com/open-telemetry/opentelemetry-cpp/tree/611906eeafdbfe4a92fd1f81989692a222da1a78/examples/grpc

However the documentation shows an example using opentelemetry::trace::propagation::HttpTraceContext() and states that will do W3C Trace Context Propagation. https://opentelemetry.io/docs/languages/cpp/instrumentation/#context-propagation

The gRPC example initializes a GlobalPropagator with a opentelemetry::trace::propagation::HttpTraceContext()
Permalink:

opentelemetry-cpp/examples/grpc/tracer_common.h

Lines 91 to 93 in 611906e

	opentelemetry::context::propagation::GlobalTextMapPropagator::SetGlobalPropagator(
	opentelemetry::nostd::shared_ptr<opentelemetry::context::propagation::TextMapPropagator>(
	new opentelemetry::trace::propagation::HttpTraceContext()));

Doesn't that mean that the example already shows how to achieve W3C Trace Context Propagation in a gRPC server with OpenTelemetry? Am I missing something?

Thanks!