Apply suggestions from code review

Co-authored-by: Chris Cho <chris.cho@10gen.com>

Author: GromNaN

docs/tutorial/aws-lambda.txt

@@ -78,7 +78,7 @@ will look like this:
                - ${bref-extra:mongodb-php-83}
 
 
-Let's use the MongoDB driver with a web page that list planets from Atlas'
+Let's use the MongoDB driver with a web page that list planets from the Atlas
 `sample dataset <https://www.mongodb.com/docs/atlas/sample-data/>`__.
 Replace the contents of ``index.php`` with the following:
 
@@ -105,7 +105,7 @@ AWS sets environment variables that contains the access token and secret token w
 the role assigned to deployed function.
 
 1. Open the Lambda function in the AWS console
-2. In "Configuration > Permission", copy the "Role name"
+2. In :guilabel:`Configuration > Permission`, copy the "Role name"
 3. Add this role to your Atlas cluster with the built-in Role: "Read and write any database"
 
 To learn how to set up unified AWS access, see `Set Up Unified AWS Access
@@ -136,7 +136,7 @@ Update the ``serverless.yml`` file to pass the environment variable ``MONGODB_UR
        environment:
            MONGODB_URI: "mongodb+srv://cluster0.example.mongodb.net/?authSource=%24external&authMechanism=MONGODB-AWS&retryWrites=true&w=majority"
 
-Finally, deploy with the new configuration. Once done you can access the function URL
+Finally, deploy with the new configuration. After deployment completes, you can access the function URL
 and see the list of planets from your Atlas cluster.
 
 .. code-block:: none