readme linting fix

Author: liustve

aws-distro-opentelemetry-node-autoinstrumentation/src/aws-span-exporter/README.md

@@ -3,6 +3,7 @@
 This guide explains how to automatically configure ADOT environment variables for exporting traces to [AWS X-Ray OTLP endpoint](https://docs.aws.amazon.com/xray/latest/devguide/xray-opentelemetry.html)
 
 ## Pre-requisites:
+
 1. Transaction Search must be enabled in order to send spans to the Xray OTLP endpoint. See [this doc](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Transaction-Search-getting-started.html) on how to enable Transaction Search.
 
 2. Ensure the AWS role in your application environment has [AWSXRayWriteOnlyAccess](https://docs.aws.amazon.com/aws-managed-policy/latest/reference/AWSXrayWriteOnlyAccess.html) managed policy attached.
@@ -24,4 +25,4 @@ OTEL_LOGS_EXPORTER=none
 OTEL_RESOURCE_ATTRIBUTES="service.name=<YOUR_SERVICE_NAME>"
 
 # Disable application signals (they will be generated in CloudWatch backend)
-OTEL_AWS_APPLICATION_SIGNALS_ENABLED=false
+OTEL_AWS_APPLICATION_SIGNALS_ENABLED=false