Add callout that the lambda function needs to be predefined

Author: deniseyu

content/terraform/v1.14.x (beta)/docs/language/block/action.mdx

@@ -193,7 +193,7 @@ The following examples show how to write configuration for common use cases.
 
 ### Define an action 
 
-The following example adds an `aws_lambda_invoke` action. You  can invoke an action using the CLI or configure Terraform to invoke the action during a resource lifecycle state.
+The following example adds an `aws_lambda_invoke` action. You can invoke an action using the CLI or configure Terraform to invoke the action during a resource lifecycle state.
 
 ```hcl
 action "aws_lambda_invoke" "example" {
@@ -207,7 +207,7 @@ action "aws_lambda_invoke" "example" {
 }
 ```
 
-"my_function" needs to be defined on AWS.
+`my_function` needs to be defined elsewhere in configuration, using the AWS Lambda Function resource. Please refer to the [AWS Provider documentation to provision an AWS Lambda Function](https://registry.terraform.io/providers/hashicorp/aws/6.14.0/docs/resources/lambda_function#basic-function-with-nodejs).
 
 ### Select an alternate provider configuration