Fix duplicate word in tracing tutorial section (#1242)

Author: koalicioous

content/src/content/docs/docs/observability/tracing.mdx

@@ -508,7 +508,7 @@ The parent-child relationship is evident in the span output, where the `parentId
 
 ## Tutorial: Visualizing Traces
 
-In this tutorial, we will guide you through visualizing traces generated by a sample Effect application. The sample application has also been configured to export traces traces and/or metrics via HTTP using [OTLP format](https://github.com/open-telemetry/opentelemetry-proto/blob/main/docs/specification.md).
+In this tutorial, we will guide you through visualizing traces generated by a sample Effect application. The sample application has also been configured to export traces and/or metrics via HTTP using [OTLP format](https://github.com/open-telemetry/opentelemetry-proto/blob/main/docs/specification.md).
 
 To visualize the traces being exported by our application, we will use a Docker image that contains a preconfigured OpenTelemetry backend based on the [OpenTelemetry Collector](https://opentelemetry.io/docs/collector), [Prometheus](https://github.com/prometheus/prometheus), [Loki](https://github.com/grafana/loki), [Tempo](https://github.com/grafana/tempo), and [Grafana](https://github.com/grafana/grafana).