Whenever you save changes of your WebOffice 10 R3 project configuration in WebOffice author then you change the WebOffice 10 R3 project configuration file.
Note: In order to let the WebOffice 10 R3 project changes take effect in your WebOffice 10 R3 client, you must at least perform the action ‘Reload configuration’.
Note that a changed but not yet published WebOffice 10 R3 project gets highlighted in the WebOffice 10 R3 Administration pages.

Highlighted Reload configuration button in WebOffice 10 R3 Administration pages