Update README.md

README.md

@@ -11,4 +11,12 @@ license: other
 short_description: Popular paths through content items, starting from a seed
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+The content ID box is populated with a randomly selected content ID from the graph, but you can enter an ID yourself. 
+
+You can zoom in and out with your mouse scroll wheel.
+
+Content IDs are displayed on the nodes (may have to zoom in).
+
+Hovering over a node will show you the content title.
+
+