README.md in opentelemetry-exporter-otlp-0.12.1 vs README.md in opentelemetry-exporter-otlp-0.13.0

@@ -38,11 +38,11 @@
 # Configure the sdk with custom export
 OpenTelemetry::SDK.configure do |c|
   c.add_span_processor(
     OpenTelemetry::SDK::Trace::Export::BatchSpanProcessor.new(
       exporter: OpenTelemetry::Exporter::OTLP::Exporter.new(
-        host: 'localhost', port: 55680
+        endpoint: 'http://localhost:55680'
       )
     )
   )
 end
 
@@ -78,10 +78,10 @@
 
 [opentelemetry-collector-home]: https://opentelemetry.io/docs/collector/about/
 [opentelemetry-home]: https://opentelemetry.io
 [bundler-home]: https://bundler.io
 [repo-github]: https://github.com/open-telemetry/opentelemetry-ruby
-[license-github]: https://github.com/open-telemetry/opentelemetry-ruby/blob/master/LICENSE
-[examples-github]: https://github.com/open-telemetry/opentelemetry-ruby/tree/master/examples
+[license-github]: https://github.com/open-telemetry/opentelemetry-ruby/blob/main/LICENSE
+[examples-github]: https://github.com/open-telemetry/opentelemetry-ruby/tree/main/examples
 [ruby-sig]: https://github.com/open-telemetry/community#ruby-sig
 [community-meetings]: https://github.com/open-telemetry/community#community-meetings
 [ruby-gitter]: https://gitter.im/open-telemetry/opentelemetry-ruby