added -D to alter sort order to descending order (default: ascending)

tablizer.pod

@@ -21,6 +21,7 @@ tablizer - Manipulate tabular output of other programs
       -O, --orgtbl             Enable org-mode table output
       -s, --separator string   Custom field separator
       -k, --sort-by int        Sort by column (default: 1)
+      -D, --sort-desc          Sort in descending order (default: ascending)
       -v, --version            Print program version
 
 
@@ -81,7 +82,9 @@ highlighted. You can disable this behavior with the B<-N> option.
 
 Use the  B<-k> option to specify  by which column to  sort the tabular
 data (as in GNU sort(1)). The default sort column is the first one. To
-disable sorting at all, supply 0 (Zero) to -k.
+disable sorting at all, supply 0  (Zero) to -k. The default sort order
+is ascending. You can change this to descending order using the option
+B<-D>.
 
 Finally the  B<-d> option  enables debugging  output which  is mostly
 useful for the developer.