Updated doc according to --long option (56efdff)

README.md

 translations of it, one pair per line.  Sweet.  Also supports other languages
 (about 10 in total).
 
-Most useful options are --lines (default is 25) and --direction which supports
-direction keyword in form "LNcz.cz" or "LNcz.LN", where LN is 2-letter code
-(**not** ISO) of the other language.
+Most useful options are --lines (default is 25), --long, as shorthand
+to --lines=50, and --direction, which supports direction keyword in form
+"LNcz.cz" or "LNcz.LN", where LN is 2-letter code (**not** ISO) of the other
+language.
 
 Uses [www.slovnik.cz][2], so an Internet connection and [LWP::Simple][3] are
 needed.

bin/se

     lacz.la, lacz.cz, eocz.eo, eocz.cz, eosk.eo, eosk.sk,
     plcz.pl, plcz.cz
 
-=item B<-l> I<LINES>, B<--lines=>I<LINES>
+=item B<-l>, B<--long>
+
+Same as C<--lines=50>, which is maximum supported by API
+
+=item B<-n> I<LINES>, B<--lines=>I<LINES>
 
 Number of lines fetched fronm the service and displayed to stdout.
 Default is 25, but since www.slovnik.cz provides simplistic interface