Update library definition in README

Author: ivan-khvostishkov

README.md

@@ -4,7 +4,7 @@
 [![Supported Python Versions](https://img.shields.io/pypi/pyversions/sagemaker-ssh-helper.svg)](https://pypi.python.org/pypi/sagemaker-ssh-helper)
 [![License](https://img.shields.io/github/license/aws-samples/sagemaker-ssh-helper.svg)](https://github.com/aws-samples/sagemaker-ssh-helper/blob/main/LICENSE)
 
-SageMaker SSH Helper is a library that helps you to securely connect to Amazon SageMaker's training jobs, processing jobs, 
+SageMaker SSH Helper is an "army-knife" library that helps you to securely connect to Amazon SageMaker's training jobs, processing jobs, 
 realtime inference endpoints, and SageMaker Studio notebook containers for fast interactive experimentation, 
 remote debugging, and advanced troubleshooting.