jigdo warning when installing

[tim@…]

When I install jigdo using

port install jigdo

I get the following warning. I don't know how serious it is but I thought I would report it.

---> Fetching jigdo ---> Attempting to fetch jigdo-0.7.3.tar.bz2 from ​http://atterer.net/jigdo/ ---> Verifying checksum(s) for jigdo ---> Extracting jigdo ---> Configuring jigdo ---> Building jigdo ---> Staging jigdo into destroot Warning: violation by /opt/local/man Warning: jigdo violates the layout of the ports-filesystems! Warning: Please fix or indicate this misbehavior (if it is intended), it will be an error in future releases! ---> Installing jigdo @0.7.3_0 ---> Activating jigdo @0.7.3_0 ---> Cleaning jigdo