change the order to prioritize otlp over prometheus

Signed-off-by: Alex Boten <[email protected]>

Author: codeboten

content/en/docs/collector/internal-telemetry.md

@@ -25,39 +25,42 @@ You can configure how internal metrics are generated and exposed by the
 Collector. By default, the Collector generates basic metrics about itself and
 exposes them using the OpenTelemetry Go
 [Prometheus exporter](https://github.com/open-telemetry/opentelemetry-go/tree/main/exporters/prometheus)
-for scraping at `http://127.0.0.1:8888/metrics`. You can expose the endpoint to
-one specific or all network interfaces when needed. For containerized
-environments, you might want to expose this port on a public interface.
+for scraping at `http://127.0.0.1:8888/metrics`.
 
-Set the Prometheus config under `service::telemetry::metrics`:
+The Collector can push its internal metrics to an OTLP
+backend via the following configuration:
 
 ```yaml
 service:
   telemetry:
     metrics:
       readers:
-        - pull:
+        - periodic:
             exporter:
-              prometheus:
-                host: '0.0.0.0'
-                port: 8888
+              otlp:
+                protocol: grpc/protobuf
+                endpoint: http://localhost:14317
 ```
 
-Alternatively, the Collector can push its internal metrics via to an OTLP
-backend via the following configuration:
+Alternatively, you can expose the Prometheus endpoint to
+one specific or all network interfaces when needed. For containerized
+environments, you might want to expose this port on a public interface.
+
+Set the Prometheus config under `service::telemetry::metrics`:
 
 ```yaml
 service:
   telemetry:
     metrics:
       readers:
-        - periodic:
+        - pull:
             exporter:
-              otlp:
-                protocol: grpc/protobuf
-                endpoint: http://localhost:14317
+              prometheus:
+                host: '0.0.0.0'
+                port: 8888
 ```
 
+
 You can adjust the verbosity of the Collector metrics output by setting the
 `level` field to one of the following values: