=item B<-X>
-Use an index if it is present -- the B<-X> option looks for an entry
+Use an index if it is present. The B<-X> option looks for an entry
whose basename matches the name given on the command line in the file
C<$Config{archlib}/pod.idx>. The F<pod.idx> file should contain fully
qualified filenames, one per line.
One useful value for C<PERLDOC_PAGER> is C<less -+C -E>.
Having PERLDOCDEBUG set to a positive integer will make perldoc emit
-even more descriptive output than the C<-v> switch does -- the higher the
+even more descriptive output than the C<-v> switch does; the higher the
number, the more it emits.