diff --git a/README.md b/README.md
index 309cf8c..7fb1bbb 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ addon | version | maintainers | summary
 [mail_activity_partner](mail_activity_partner/) | 15.0.1.0.0 |  | Add Partner to Activities
 [mail_attach_existing_attachment](mail_attach_existing_attachment/) | 15.0.1.0.0 |  | Adding attachment on the object by sending this one
 [mail_debrand](mail_debrand/) | 15.0.1.0.0 | [![pedrobaeza](https://github.com/pedrobaeza.png?size=30px)](https://github.com/pedrobaeza) [![joao-p-marques](https://github.com/joao-p-marques.png?size=30px)](https://github.com/joao-p-marques) | Remove Odoo branding in sent emails Removes anchor <a href odoo.com togheder with it's parent ( for powerd by) form all the templates removes any 'odoo' that are in tempalte texts > 20characters
+[mail_preview_base](mail_preview_base/) | 15.0.1.0.0 |  | Base to add more previewing options
 
 [//]: # (end addons)