Update CHANGELOG.md

Co-authored-by: Delisa <kattrali@users.noreply.github.com>

CHANGELOG.md

@@ -9,7 +9,7 @@ Changelog
     * The `notify_release_stages` configuration option has been deprecated in favour of `enabled_release_stages`
     * The `auto_capture_sessions` and `track_sessions` configuration options have been deprecated in favour of `auto_track_sessions`
     * The `Report` class has been deprecated in favour of the `Event` class
-    * The `Report#meta_data` attribute has been deprecated in favour of `Report#metadata`
+    * The `Report#meta_data` attribute has been deprecated in favour of `Event#metadata`
     * The `Breadcrumb#meta_data` attribute has been deprecated in favour of `Breadcrumb#metadata`
     * The `Breadcrumb#name` attribute has been deprecated in favour of `Breadcrumb#message`
     * The breadcrumb type constants in the `Bugsnag::Breadcrumbs` module has been deprecated in favour of the constants available in the `Bugsnag::BreadcrumbType` module