Fix two errors in the manpage intro paragraph: grep-excuses uses wget,
not libwww-perl, and it can take a package name instead of a
maintainer.
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
\fBgrep-excuses\fR [\fIoptions\fR] [\fImaintainer\fR|\fIpackage\fR]
.SH DESCRIPTION
\fBgrep-excuses\fR downloads the update_excuses.html file and greps it
-for the specified maintainer name. The \fBlibwww-perl\fR package is
+for the specified maintainer or package name. The \fBwget\fR package is
required for this script. If no name is given on the command line,
first the environment variable \fBDEBFULLNAME\fR is used if it is
defined, and failing that, the configuration variable described below