message: Fix import statement
  The library is `@airbrake/browser` not `@airbrake/notifier`.
  This was reported by a user via support.
diff: @@ -5,7 +5,7 @@ To report errors from a React app, you'll need to set up and use an
  and initialize an `Airbrake.Notifier` with your `projectId` and `projectKey`.
  ```js
  -import { Notifier } from '@airbrake/notifier';
  +import { Notifier } from '@airbrake/browser';
  class ErrorBoundary extends React.Component {
  constructor(props) {
  