Merge pull request #22 from learn-co/update-latter-lesson-msg

Update IO to output [Y/n] in place of [Yn]

Author: Lukeghenco

lib/learn_open/environments/base_environment.rb

@@ -60,7 +60,7 @@ def warn_if_necessary(lesson)
         return unless lesson.later_lesson
 
         io.puts 'WARNING: You are attempting to open a lesson that is beyond your current lesson.'
-        io.print 'Are you sure you want to continue? [Yn]: '
+        io.print 'Are you sure you want to continue? [Y/n]: '
 
         warn_response = io.gets.chomp.downcase
         exit if !['yes', 'y'].include?(warn_response)

spec/learn_open/opener_spec.rb

@@ -160,7 +160,7 @@
 
         expect(io)
           .to receive(:print)
-          .with("Are you sure you want to continue? [Yn]: ")
+          .with("Are you sure you want to continue? [Y/n]: ")
 
         expect(io)
           .to receive(:gets)