Minor updates

README.md

 # chatbot lab
 
 ## Set up environment:
-1. AWS CLI: Ensure AWS CLI is installed and configured on your laptop(refer to the setup guide provided in Session 1).
-2. Ensure python is installed: python 3.8 or higher.
+1. Use your credentials to create an Ubuntu 24.04 specific VM on the AWS Amazon portal 
+2. AWS CLI: Ensure AWS CLI is installed and configured on the VM you just created (refer to the setup guide provided in Session 1).
+3. Ensure python is installed: python 3.8 or higher.
 
 ## Part 1: