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fix typo of traces (#716) 

Co-authored-by: Yongguang Zhu <Yongguang.Zhu@microsoft.com>
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Yongguang Zhu 2020-07-30 11:35:36 +08:00 committed by GitHub
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concepts/observability/traces.md
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@ -6,10 +6,12 @@ Dapr uses OpenTelemetry (previously known as OpenCensus) for distributed traces
## Contents
- [Tracing Design](#tracing-design)
- [Correlation ID](#correlation-id)
- [Configuration](#configuration)
- [References](#references)
- [Distributed Tracing](#distributed-tracing)
- [Contents](#contents)
- [Tracing design](#tracing-design)
- [W3C Correlation ID](#w3c-correlation-id)
- [Configuration](#configuration)
- [References](#references)
## Tracing design
@ -28,7 +30,7 @@ Read [W3C Tracing Context for distributed tracing](./W3C-traces.md) for more bac
## Configuration
Dapr uses [probalistic sampling](https://opencensus.io/tracing/sampling/probabilistic/) as defined by OpenCensus. The sample rate defines the probaility a tracing span will be sampled and can have a value between 0 and 1 (inclusive). The deafault sample rate is 0.0001 (i.e. 1 in 10,000 spans is sampled).
Dapr uses [probabilistic sampling](https://opencensus.io/tracing/sampling/probabilistic/) as defined by OpenCensus. The sample rate defines the probability a tracing span will be sampled and can have a value between 0 and 1 (inclusive). The deafault sample rate is 0.0001 (i.e. 1 in 10,000 spans is sampled).
To change the default tracing behavior, use a configuration file (in self hosted mode) or a Kubernetes configuration object (in Kubernetes mode). For example, the following configuration object changes the sample rate to 1 (i.e. every span is sampled):