diff --git a/chat-tutorial/README.md b/chat-tutorial/README.md
index 44aa1e0c..4ffe2401 100644
--- a/chat-tutorial/README.md
+++ b/chat-tutorial/README.md
@@ -6,7 +6,7 @@ This GitHub Copilot Extension sample shows:
 
 - How to contribute a chat participant to the GitHub Copilot Chat view.
 
-![demo](./demo.png)
+![A screenshot of the running extension, showing the @tutor /exercise command](./demo.png)
 
 Documentation can be found here:
 - https://code.visualstudio.com/api/extension-guides/chat
diff --git a/chat-tutorial/demo.png b/chat-tutorial/demo.png
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diff --git a/chat-tutorial/tutor.jpeg b/chat-tutorial/tutor.jpeg
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