Apply suggestions from code review

Co-authored-by: Alex Krawiec <[email protected]>

Author: AbhiPrasad

docs/product/drains/otlp-guides/aws-cloudwatch.mdx

@@ -25,7 +25,7 @@ Download the latest `otelcol-contrib` binary from the [OpenTelemetry Collector r
 
 The AWS CloudWatch Receiver uses the [AWS SDK](https://docs.aws.amazon.com/sdk-for-go/v1/developer-guide/configuring-sdk.html) for authentication, which supports multiple methods including credentials files and EC2 instance metadata (IMDS).
 
-### Using AWS Credentials File
+### Using an AWS Credentials File
 
 Configure your AWS credentials using the AWS CLI:
 
@@ -37,7 +37,7 @@ This creates a credentials file at `~/.aws/credentials` with your access key and
 
 ### Using IAM Role (EC2)
 
-If running on EC2, attach an IAM role with the `CloudWatchLogsReadOnlyAccess` policy to your instance.
+For EC2 environments, attach an IAM role with the `CloudWatchLogsReadOnlyAccess` policy to your instance.
 
 ### Required IAM Permissions