maint: Update README.md (#441)

Updating outdated link

README.md

@@ -4,7 +4,7 @@
 [![CircleCI](https://circleci.com/gh/honeycombio/beeline-go.svg?style=shield)](https://circleci.com/gh/honeycombio/beeline-go)
 [![GoDoc](https://godoc.org/github.com/honeycombio/beeline-go?status.svg)](https://godoc.org/github.com/honeycombio/beeline-go)
 
-⚠️**Note**: Beelines are Honeycomb's legacy instrumentation libraries. We embrace OpenTelemetry as the effective way to instrument applications. For any new observability efforts, we recommend [instrumenting with OpenTelemetry](https://docs.honeycomb.io/getting-data-in/opentelemetry/go-distro/).
+⚠️**Note**: Beelines are Honeycomb's legacy instrumentation libraries. We embrace OpenTelemetry as the effective way to instrument applications. For any new observability efforts, we recommend [instrumenting with OpenTelemetry](https://docs.honeycomb.io/send-data/go/opentelemetry-sdk/).
 
 This package makes it easy to instrument your Go app to send useful events to [Honeycomb](https://www.honeycomb.io), a service for debugging your software in production.
 - [Usage and Examples](https://docs.honeycomb.io/getting-data-in/beelines/go-beeline/)