Fix errors in README documentation.
Fix errors in README documentation.

arnonmoscona/copycat,tempbottle/copycat,atomix/atomix,tempbottle/copycat,atomix/atomix,aruanruan/copycat,arnonmoscona/copycat,madjam/copycat,kuujo/copycat,madjam/copycat,kuujo/copycat,aruanruan/copycat