Link to supported Python versions

README.md

@@ -14,7 +14,7 @@ This project contains:
 The tools support reading Flow Logs from both [CloudWatch Logs](https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/flow-logs-cwl.html) and [S3](https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/flow-logs-s3.html).
 For S3 destinations, [version 3](https://aws.amazon.com/blogs/aws/learn-from-your-vpc-flow-logs-with-additional-meta-data/) custom log formats are supported.
 
-The library builds on [boto3](https://github.com/boto/boto3) and should work on Python 3.4+.
+The library builds on [boto3](https://github.com/boto/boto3) and should work on the [supported versions](https://devguide.python.org/#status-of-python-branches) of Python 3.
 
 For information on VPC Flow Logs and how to enable them see [this post](https://aws.amazon.com/blogs/aws/vpc-flow-logs-log-and-view-network-traffic-flows/) at the AWS blog.
 You may use this library with the [kinesis-logs-reader](https://github.com/obsrvbl/kinesis-logs-reader) library when retrieving VPC flow logs from Amazon Kinesis.