if classes.include?("porterbox")
- purp += "\n Disk space on porter boxes is often limited. Please respect your fellow\n"
+ purp += "\n Disk space on porter boxes is often limited. Please respect your fellow\n" +
" porters by cleaning up after yourself by deleting schroots and source/build\n" +
" trees in your $HOME, as soon as feasible. DSA reserves the right to recover\n" +
" disk space as necessary.\n"