add line about configuration to check the trunks
add line about configuration to check the trunks

jandppw/ppwcode-recovered-from-google-code,jandppw/ppwcode-recovered-from-google-code,jandockx/ppwcode-recovered-from-google-code,jandockx/ppwcode-recovered-from-google-code,jandppw/ppwcode-recovered-from-google-code,jandppw/ppwcode-recovered-from-google-code,jandockx/ppwcode-recovered-from-google-code,jandockx/ppwcode-recovered-from-google-code,jandockx/ppwcode-recovered-from-google-code,jandockx/ppwcode-recovered-from-google-code,jandppw/ppwcode-recovered-from-google-code,jandppw/ppwcode-recovered-from-google-code