(hoary) problem upgrading

[Jakob Nickerson]

I get this message when I try to "apt-get upgrade" is it something I
did or what?

Preconfiguring packages ...
Setting up sed (4.1.2-2) ...

No `START-INFO-DIR-ENTRY' and no `This file documents'.
install-info(/usr/share/info/sed.info): unable to determine
description for `dir' entry - giving up
dpkg: error processing sed (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 sed
E: Sub-process /usr/bin/dpkg returned an error code (1)