Merge pull request #144 from LaunchCodeEducation/mike-issue-36

Cleaned up section on scriptHelper a bit and added a note about async await

content/assignments/launch-checklist/planet-fetch/_index.md

@@ -17,19 +17,29 @@ Our planetary data can be found in [JSON format](https://handlers.education.laun
 Review the list and decide which planet you want to send our intrepid crew to and make note of the index number.
 
 {{% notice blue "Note" "rocket" %}} 
-
-   When fetching more than one JSON object, we get an array of all of the JSON objects.
-   In this case, that means an array of our possible mission destinations.
-   When picking the mission destination, just pick the item in the array you want and start counting at 0.
-
+When fetching more than one JSON object, we get an array of all of the JSON objects.
+In this case, that means an array of our possible mission destinations.
+When picking the mission destination, just pick the item in the array you want and start counting at 0.
 {{% /notice %}}
 
 In `scriptHelper.js`, you have three functions for this task: `myFetch()`, `pickPlanet()`, and `addDestinationInfo()`.
+
 First, review the comments in `addDestinationInfo()`.
-This is the format of the `innerHTML` for the `missionTarget` div, which you can locate using the `document` parameter of `addDestinationInfo()`.
-`addDestinationInfo()` does not need to return anything.
+This is the format of the `innerHTML` for the `missionTarget` div, which you can locate using the `document` parameter of `addDestinationInfo()`. `addDestinationInfo()` does not need to return anything.
+
 `pickPlanet()` takes in one argument: a list of planets. Using `Math.random()`, return one planet from the list with a randomly-selected index.
-`myFetch()` has some of the code necessary for fetching planetary JSON, however, it is not complete. You need to add the URL and return `response.json()`.
+
+`myFetch()` has some of the code necessary for fetching planetary JSON, however, it is not complete. You need to add the URL to the `fetch` method call and return `response.json()` from the inner function.
+
+
+{{% notice blue "Note" "rocket" %}}
+`myFetch` has an `async` prefix prior the function declaration, and also uses the `await` keyword 
+in the body.
+
+This is an advanced language feature used by the autograder that you do not need to worry about for 
+class.
+{{% /notice %}}
+
 
 Now it is time to make use of these helper functions in `script.js`.  We provided some of the code necessary: