Fixed comment


git-svn-id: svn://irodssvn.ucsd.edu/trunk@5368 ea137bd6-aa86-47b6-b90d-b101d9f19a90
Added invocation rules


git-svn-id: svn://irodssvn.ucsd.edu/trunk@5369 ea137bd6-aa86-47b6-b90d-b101d9f19a90