docs: fix documentation of default role

README.md

@@ -64,7 +64,7 @@ The options are the same for all the warmers:
 * **cleanFolder** Whether to automatically delete the generated code folder. You might want to keep it if you are doing some custom packaging (defaults to `true`)
 * **name** Name of the generated warmer lambda (defaults to `${service}-${stage}-warmup-plugin-${warmerName}`)
 * **roleName** Name to be applied to the default warmer lambda role. Ignored if a the role setting is used (defaults to `${service.service}-${stage}-${region}-${warmerName.toLowerCase()}-role`)
-* **role** Role to apply to the warmer lambda (defaults to the role in the provider)
+* **role** Role to apply to the warmer lambda (defaults to a custom role with minimal [permissions](#permissions))
 * **tags** Tag to apply to the generated warmer lambda (defaults to the serverless default tags)
 * **vpc** The VPC and subnets in which to deploy. Can be any [Serverless VPC configuration](https://serverless.com/framework/docs/providers/aws/guide/functions#vpc-configuration) or be set to `false` in order to deploy the warmup function outside of a VPC (defaults to the vpc in the provider)
 * **memorySize** The memory to be assigned to the warmer lambda (defaults to `128`)