Update docs/en/aws-deploy-elastic-serverless-forwarder.asciidoc

Co-authored-by: Constança Manteigas <[email protected]>

docs/en/aws-deploy-elastic-serverless-forwarder.asciidoc

@@ -336,7 +336,7 @@ NOTE: Only one deployment per region is allowed when using the {aws} console dir
 image::images/aws-serverless-forwarder-create-function.png[Create Elastic Serverless Forwarder Lambda function within SAR]
 +
 . Complete the **Application settings** according to <<aws-serverless-forwarder-define-deploy-parameters>>. 
-Please specify the parameters even if it's already exist in the `config.yaml` file.
+Please specify the parameters even if they already exist in the `config.yaml` file.
 . After your settings have been added, click **Deploy**.
 . On the Applications page for **serverlessrepo-elastic-serverless-forwarder**, click **Deployments**.
 . Refresh the **Deployment history** until you see the `Create complete` status update. It should take around 5 minutes to deploy &mdash; if the deployment fails for any reason, the create events will be rolled back and you will be able to see an explanation for which event failed.