Update game

.github/steps/-step.txt

@@ -1 +1 @@
-0
+4

README.md

@@ -14,51 +14,30 @@ _Collaborate and work together on GitHub._
 </header>
 
 <!--
-  <<< Author notes: Course start >>>
-  Include start button, a note about Actions minutes,
-  and tell the learner why they should take the course.
+  <<< Author notes: Step 4 >>>
+  Start this step by acknowledging the previous step.
+  Define terms and link to docs.github.com.
 -->
 
-## Welcome
+## Step 4: Suggest changes
 
-All great projects start with collaboration. Pull requests are the foundation of teamwork on GitHub — and pull request reviews give you the ability to work together and discuss changes specific to a pull request by commenting, requesting changes, or approving.
+_Nice work reviewing that pull request :sparkles:_
 
-- **Who is this for**: Developers, new GitHub users, users new to Git, students, managers, teams.
-- **What you'll learn**: When and how to request a review; how to provide a review of someone else's pull request.
-- **What you'll build**: We'll be reviewing a pull request for a simple game.
-- **Prerequisites**: We assume you are familiar with creating branches, commits, and pull requests—you can learn this in our [Introduction to GitHub](https://github.com/skills/introduction-to-github) course.
-- **How long**: This course takes less than 30 minutes to complete.
+Now that you have explored the different ways you can review a pull request it is time to learn how to use _suggest changes_.
 
-In this course, you will:
+**What is _suggest changes_?**: This feature enables you to recommend a change to a pull request that the author can commit with the push of a button.
 
-1. Open a pull request
-2. Assign yourself
-3. Leave a review
-4. Suggest changes
-5. Apply changes
-6. Merge your pull request
+### :keyboard: Activity: Suggest changes
 
-### How to start this course
-
-<!-- For start course, run in JavaScript:
-'https://github.com/new?' + new URLSearchParams({
-  template_owner: 'skills',
-  template_name: 'review-pull-requests',
-  owner: '@me',
-  name: 'skills-review-pull-requests',
-  description: 'My clone repository',
-  visibility: 'public',
-}).toString()
--->
-
-[![start-course](https://user-images.githubusercontent.com/1221423/235727646-4a590299-ffe5-480d-8cd5-8194ea184546.svg)](https://github.com/new?template_owner=skills&template_name=review-pull-requests&owner=%40me&name=skills-review-pull-requests&description=My+clone+repository&visibility=public)
-
-1. Right-click **Start course** and open the link in a new tab.
-2. In the new tab, most of the prompts will automatically fill in for you.
-   - For owner, choose your personal account or an organization to host the repository.
-   - We recommend creating a public repository, as private repositories will [use Actions minutes](https://docs.github.com/en/billing/managing-billing-for-github-actions/about-billing-for-github-actions).
-   - Scroll down and click the **Create repository** button at the bottom of the form.
-3. After your new repository is created, wait about 20 seconds, then refresh the page. Follow the step-by-step instructions in the new repository's README.
+1. On the pull request, click **Files changed**.
+1. Find the `index.html` changes.
+1. Hover your cursor next to the line numbers on the left side of the page.
+1. Click the blue plus icon.
+1. After the comment form appears, click the **Add a suggestion** button. <br>
+   ![add-a-suggestion-button](https://user-images.githubusercontent.com/97056108/184449714-61e8ee51-824a-48c1-9436-2dfd67f2c070.png)
+1. Edit the suggestion.
+1. Click **Add a single comment**.
+1. Wait about 20 seconds then refresh this page (the one you're following instructions from). [GitHub Actions](https://docs.github.com/en/actions) will automatically update to the next step.
 
 <footer>
 

index.html

@@ -47,7 +47,7 @@ <h1>Tic Tac Toe</h1>
   </tr>
 </table>
 
-<h2 hidden>Game over</h2>
+<h2 hidden>Game over, refresh to play again 🧑‍💻 🤖!</h2>
 
 <script>
   // Initialization