Fix twiddle wakka name.
Fix twiddle wakka name.

bgreg/ruby-operators,anildigital/ruby-operators,aleksandrs-ledovskis/ruby-operators,krishnan-mani/ruby-operators,bgreg/ruby-operators,bgreg/ruby-operators,krishnan-mani/ruby-operators,anildigital/ruby-operators,aleksandrs-ledovskis/ruby-operators