docs: fix typo and improve explanation on internal resources

docs/content/migration/v2-to-v3.md

@@ -724,7 +724,7 @@ Here are two possible transition strategies:
 
 Please check the [OpenTelemetry Tracing provider documention](../observability/tracing/opentelemetry.md) for more information.
 
-#### Internal Resources Observability (AccessLogs, Metrics and Tracing)
+#### Internal Resources Observability
 
 In v3, observability for internal routers or services (e.g.: `ping@internal`) is disabled by default.
 To enable it one should use the new `addInternals` option for AccessLogs, Metrics or Tracing.
@@ -732,4 +732,4 @@ Please take a look at the observability documentation for more information:
 
 - [AccessLogs](../observability/access-logs.md#addinternals)
 - [Metrics](../observability/metrics/overview.md#addinternals)
-- [AccessLogs](../observability/tracing/overview.md#addinternals)
+- [Tracing](../observability/tracing/overview.md#addinternals)

docs/content/observability/access-logs.md

@@ -30,7 +30,7 @@ accessLog: {}
 
 _Optional, Default="false"_
 
-Enables accessLogs for internal resources.
+Enables accessLogs for internal resources (e.g.: `ping@internal`).
 
 ```yaml tab="File (YAML)"
 accesslog:

docs/content/observability/metrics/overview.md

@@ -21,7 +21,7 @@ and [Kubernetes](https://grafana.com/grafana/dashboards/17347) deployments.
 
 _Optional, Default="false"_
 
-Enables metrics for internal resources.
+Enables metrics for internal resources (e.g.: `ping@internals`).
 
 ```yaml tab="File (YAML)"
 metrics:

docs/content/observability/tracing/overview.md

@@ -36,7 +36,7 @@ tracing: {}
 
 _Optional, Default="false"_
 
-Enables tracing for internal resources.
+Enables tracing for internal resources (e.g.: `ping@internal`).
 
 ```yaml tab="File (YAML)"
 tracing: