Refine ParentBased sampler descirption

open-telemetry · Sep 27, 2023 · 5847bd3 · dashpole · Sep 27, 2023 · pellared
1 parent 5817c07
commit 5847bd3
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/content/en/docs/instrumentation/go/sampling.md b/content/en/docs/instrumentation/go/sampling.md
@@ -32,9 +32,11 @@ Other samplers include:
   which samples a fraction of spans, based on the fraction given to the sampler.
   If you set .5, half of all the spans are sampled.
 - [`ParentBased`](https://pkg.go.dev/go.opentelemetry.io/otel/sdk/trace#ParentBased),
-  which behaves differently based on the incoming sampling decision.
-  `ParentBased` samples spans that have parents that were sampled, and doesn't
-  sample spans whose parents were not sampled.
+  is a sampler decorator which behaves differently, based on the parent of the
+  span. If the span has no parent, the decorated sampler is used to make
+  sampling decision based on the parent of the span. By default, `ParentBased`
+  samples spans that have parents that were sampled, and doesn't sample spans
+  whose parents were not sampled.
 
 By default, the tracer provider uses a `ParentBased` sampler with the
 `AlwaysSample` sampler.