diff --git a/docs/examples/grafana/README.md b/docs/examples/grafana/README.md
index d04ff7168..46641cf19 100644
--- a/docs/examples/grafana/README.md
+++ b/docs/examples/grafana/README.md
@@ -122,7 +122,9 @@ receivers:
   otlp:
     protocols: # enable OpenTelemetry Protocol receiver, both gRPC and HTTP
       grpc:
+        endpoint: 0.0.0.0:4317
       http:
+        endpoint: 0.0.0.0:4318
 
 exporters:
   otlp/jaeger: # export received traces to Jaeger
@@ -299,4 +301,4 @@ Just like you just did with Prometheus, you can use Jaeger as data source and di
 alt = Grafana Traces Example
 }
 
-> Note: a complete example is available [here](https://github.com/keuhdall/otel4s-grafana-example/)
\ No newline at end of file
+> Note: a complete example is available [here](https://github.com/keuhdall/otel4s-grafana-example/)