Modification in ESS interface (change the App title by default)

Hi,

i need to modify the App title in the interface by default "HP Service Manager" by another title (requirement of our company).

i tried to modify the  app_labels.properties . this file is under the path: 

C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\SM\WEB-INF\classes\com\hp\ov\cwc\web

i put : App.Title=XXXXX in this file, and i restart the web server; but the changes were not made .

 

plz help.