diff --git a/docs/thinking-in-react.md b/docs/thinking-in-react.md
index 6e212ba9..daa833d1 100644
--- a/docs/thinking-in-react.md
+++ b/docs/thinking-in-react.md
@@ -132,7 +132,7 @@ You can start seeing how your application will behave: set `filterText` to `"bal
 
 ## Step 5: Add Inverse Data Flow
 
-<p data-height="265" data-theme-id="0" data-slug-hash="JbYQvL" data-default-tab="js,result" data-user="snakajima" data-embed-version="2" data-pen-title="Thinking In React: Step 5" class="codepen">See the Pen <a href="http://codepen.io/rohan10/pen/qRqmjd">Thinking In React: Step 5</a> on <a href="http://codepen.io">CodePen</a>.</p>
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 So far, we've built an app that renders correctly as a function of props and state flowing down the hierarchy. Now it's time to support data flowing the other way: the form components deep in the hierarchy need to update the state in `FilterableProductTable`.