diff --git a/README.md b/README.md
index 49415d8..d7bb099 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ var simulation = d3.forceSimulation(nodes);
 </script>
 ```
 
-[Try d3-force in your browser.](https://observablehq.com/@mbostock/d3-force-directed-graph)
+[Try d3-force in your browser.](https://observablehq.com/collection/@d3/d3-force)
 
 ## API Reference