Fix typos (#3731) (#3732)

(cherry picked from commit bfe9944)

Co-authored-by: Carson Ip <[email protected]>

Author: mergify[bot]

docs/en/observability/apm/api-events.asciidoc

@@ -48,7 +48,7 @@ http(s)://{hostname}:{port}/intake/v2/events
 ------------------------------------------------------------
 
 From version `8.5.0` onwards, the APM Server supports asynchronous processing of batches.
-To request asynchronous processing the `async` query parameter can be set in the POST requst
+To request asynchronous processing the `async` query parameter can be set in the POST request
 to the `intake/v2/events` endpoint:
 
 [source,bash]

docs/en/observability/apm/sampling.asciidoc

@@ -57,7 +57,7 @@ For accurate span-based metrics when using head-based sampling with OpenTelemetr
 a [consistent probability sampler](https://opentelemetry.io/docs/specs/otel/trace/tracestate-probability-sampling/).
 These samplers propagate the sample rate between services and the managed intake service, resulting in accurate metrics.
 
-NOTE: OpenTelemetry does not offer consistent probability samplers in all languanges.
+NOTE: OpenTelemetry does not offer consistent probability samplers in all languages.
 OpenTelemetry users should consider using tail-based sampling instead.
 +
 Refer to the documentation of your favorite OpenTelemetry agent or SDK for more information on the availability of consistent probability samplers.