diff --git a/core/CHANGELOG.txt b/core/CHANGELOG.txt
index 6933411484..1ef9b96955 100644
--- a/core/CHANGELOG.txt
+++ b/core/CHANGELOG.txt
@@ -171,16 +171,18 @@ these modules. Developers and expert site builders can now add Media as a
 dependency. Work is underway to [provide an update path for existing sites'
 Media Entity data](https://www.drupal.org/node/2880334) and to [port existing
 contributed modules to the improved core
-API](https://www.drupal.org/node/2860796).
+API](https://www.drupal.org/node/2860796). Both versions cannot be used at the
+same time, so we also [prevent the 1.x version of the contributed Media Entity
+module from being enabled at the same time as the core Media
+module](https://www.drupal.org/node/2896427).
 
 Note that **the core Media module is currently marked hidden** and will not
 appear on the 'Extend' (module administration) page. (Enabling a contributed
 module that depends on the core Media module will also enable Media
 automatically.) The module will be displayed to site builders normally once
-user experience issues with it are resolved in a future release.
-
-Similarly, the REST API and normalizations for Media is not final and support
-for decoupled applications will be improved in a future release.
+user experience issues with it are resolved. Similarly, the REST API and
+normalizations for Media is not final and support for decoupled applications
+will also be improved in a future release.
 
 #### Inline Form Errors