Changing Field label in WebDynpro Java

Dear Expert,

Now i am working at SAP Portal environment, and building application with webdynpro abap.

But in another case, i am using standard application on business package ESS/MSS leave request which is developed with WD4J. I have requirement to change one of field label at standard searhhelp in this application. I am trying to change abap dataelement and also i am trying to change it in table directly, but it not changed.

Are there have a tools to change it, or any solution? I didn't knew where the field label maintained at WD4J.

Thanks you so much,

Regards,

Agnis Virtinova Avency