J-BusinessDirectory - Where can I change text Contact Pop-up

I like to change text of contact box (popup)

First Name

Last Name

Unable to trace in JBD language file

Hi, 

Please search for LNG_FIRST_NAME and LNG_LAST_NAME in the language file. You might have duplicates in the language file. The last defined will be considered.

Thanks Mike, I changed the correct ones, but didn't clear my browser cache :-)  Is working now...