Add missing tick

Author: axelrindle

packages/browser/README.md

@@ -2,5 +2,5 @@
 
 > A proxy package providing support for the browser.
 
-**Note**: This is currently **EXPERIMENTAL**, as it depends on `@octokit/core^5.0.0-beta.4^ and the
+**Note**: This is currently **EXPERIMENTAL**, as it depends on `@octokit/core^5.0.0-beta.4^` and the
 [Node.js Fetch API](https://nodejs.org/dist/latest-v18.x/docs/api/globals.html#fetch).