Update ReadMe.md

Small note added to the readme file as suggested by FE.

ReadMe.md

@@ -29,6 +29,7 @@ This Terraform configuration automates the process of setting up rule sets at th
 - Reads a list of repositories from `production-repos.json`
 - Creates a ruleset at the organisation level, this applies standardisation across all repositories.
 - Creates custom properties for repositories, such as marking repositories as "is_production."
+- A good note to make is that you do not have to update this codebase as it will pull any new production repositories from the URL's provided and update itself at midnight.
 
 
 ## Maintenance
@@ -98,4 +99,4 @@ To add or remove repositories follow the below:
 
 | Name | Description |
 |------|-------------|
-| <a name="output_common_tags"></a> [common\_tags](#output\_common\_tags) | n/a |
+| <a name="output_common_tags"></a> [common\_tags](#output\_common\_tags) | n/a |