-Each line in the \fImime.convs\fR file is a comment, blank, or filter
-line. Comment lines start with the # character. Filter lines specify
-the source and destination MIME types along with a relative cost
-associated with the filter and the filter to run:
+Each line in the \fBmime.convs\fR file is a comment, blank, or filter
+line.
+Comment lines start with the # character.
+Filter lines specify the source and destination MIME types along with a relative cost associated with the filter and the filter to run:
+.nf
+
+ source/type destination/type cost filter
+
+.fi
+The \fIsource/type\fR field specifies the source MIME media type that is consumed by the filter.
+.LP
+The \fIdestination/type\fR field specifies the destination MIME media type that is produced by the filter.
+.LP
+The \fIcost\fR field specifies the relative cost for running the filter.
+A value of 100 means that the filter uses a large amount of resources while a value of 0 means that the filter uses very few resources.
+.LP
+The \fIfilter\fR field specifies the filter program filename.
+Filenames are relative to the CUPS filter directory.
+.SH FILES
+\fI/etc/cups\fR - Typical CUPS configuration directory.
+.br
+\fI/usr/lib/cups/filter\fR - Typical CUPS filter directory.