diff --git a/README.md b/README.md
index 56a5be1..03709fa 100644
--- a/README.md
+++ b/README.md
@@ -518,7 +518,7 @@ aren't loaded.
 Start the application. Returns a tree of DOM nodes that can be mounted using
 `document.body.appendChild()`. If a valid `id` selector is passed in as the
 first argument, the tree will diff against the selected node rather than be
-returned. This is useful for [rehydration](#rehydration). Opts can contain the
+returned. This is useful for [rehydration](https://github.com/yoshuawuyts/choo-handbook/blob/master/rendering-in-node.md#rehydration). Opts can contain the
 following values:
 - __opts.history:__ default: `true`. Enable a `subscription` to the browser
   history API. e.g. updates the internal `location.href` state whenever the