diff --git a/CHANGELOG.md b/CHANGELOG.md
index a93683c..9e16c00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,30 @@
- feature: Re-implement component 15d55b1 ([#218](https://github.com/single-spa/single-spa-react/pull/218)) by Jolyn
- breaking: Remove main, module, and require fields from package.json 15d55b1 ([#218](https://github.com/single-spa/single-spa-react/pull/218)) by Jolyn
- breaking: Rewrite to typescript. New opts required. Newer versions of React required 15d55b1 ([#218](https://github.com/single-spa/single-spa-react/pull/218)) by Jolyn
+- breaking: returns `init` function rather than `bootstrap` function, which is compatible with single-spa@7 or with earlier versions of single-spa via the [`@single-spa/lifecycles-compat`](https://github.com/single-spa/lifecyles-compat) library
+
+### Upgrading
+
+```diff
+-export const { bootstrap, mount, unmount } = singleSpaReact({
+- React,
+- ReactDOMClient,
+- rootComponent,
+- errorBoundary(err, info, props) {
+- // https://reactjs.org/docs/error-boundaries.html
+- return
This renders when a catastrophic error occurs
;
+- },
+-});
+
++export const { init, mount, unmount } = singleSpaReact({
++ createRoot,
++ createElement,
++ useEffect,
++ renderReactNode: (props) => (
++
++ )
++});
+```
## 6.0.2