Update README.md

Author: Barry de Graaff

README.md

@@ -9,11 +9,9 @@ Demo video: https://www.youtube.com/watch?v=8pVMoXkNt8c
 
 User manual : https://barrydegraaff.github.io/owncloud/
 
-Integrate any WebDAV server in Zimbra Collaboration, currently tested with ownCloud 9.1, Nextcloud 13, Alfresco Enterprise - 5.2.0 and:
-- Windows: Internet Explorer 11, Microsoft Edge, Google Chrome, Firefox
-- Linux: Google Chrome, Firefox
+Integrate any WebDAV server in Zimbra Collaboration, currently tested with ownCloud 9.1, Nextcloud 14-15, Alfresco Enterprise - 5.2.0 and Nuxeo.
 
-Supported Zimbra versions 8.7.11 and 8.8.8.
+Supported Zimbra versions 8.8.10.
 
 Zimbra Desktop is not supported and does not work. Ubuntu 12.04 is not supported (https://github.com/Zimbra-Community/owncloud-zimlet/issues/117)