Open in Codespaces button on readme (#32268)

Co-authored-by: github-actions <[email protected]>
Co-authored-by: Sarita Iyer <[email protected]>

Author: 3 people

assets/images/help/classroom/student-codespaces-readme-link.png

@@ -81,7 +81,7 @@ When a student opens an assignment, the repository's README file includes their
 
 ![Screenshot of the Codespaces note in the README for a student assignment repository](/assets/images/help/classroom/student-codespaces-readme-link.png)
 
-Students can launch a new or existing codespace by clicking the **{% octicon "code" aria-label="The code icon" %} Code** button on the main page of the assignment repository, then selecting the **Codespaces** tab. For more information, see "[Creating a codespace](/codespaces/developing-in-codespaces/creating-a-codespace#creating-a-codespace)."
+Students can launch a new or existing codespace by clicking the **Open in GitHub Codespace** button in the README, or by clicking the **{% octicon "code" aria-label="The code icon" %} Code** button on the main page of the assignment repository, then selecting the **Codespaces** tab. From the **Codespaces** tab you can select an existing codespace or create a new one. For more information, see "[Creating a codespace](/codespaces/developing-in-codespaces/creating-a-codespace#creating-a-codespace)."
 
 ![Launch new codespace in assignment repository](/assets/images/help/classroom/student-launch-new-codespace.png)