seems to be wrong ==>

Usage:
apt-rdepends [options] [pkgs …]

Options:
-b, –build-depends show build dependencies
-d, –dotty generates a dotty graph
-p, –print-state show the state of each dependency
-r, –reverse list packages that depend on the specified one
-f, –follow=DEPENDS only follow DEPENDS dependencies recursively
-s, –show=DEPENDS only show DEPENDS dependencies
–state-follow=STATES only follow STATES states recursively
–state-show=STATES only show STATES states
–help display this help and exit
–man display the man page and exit
–version output version information and exit