   # Options description
   desc: -> '''
     Files:
-      If you didn't set input files, autoprefixer will +
+      If you didn't set input files, autoprefixer will \
         read from stdin stream.
 
       By default, prefixed CSS will rewrite original files.

      You can specify output file or directory by `-o` argument.
      For several input files you can specify only output directory by `-d`.

      Output CSS will be written to stdout stream on +
        `-o -' argument or stdin input.

    Source maps:

      if updater.changed.length == 0
        @print 'Everything up-to-date'
      else
        @print "Update #{ updater.changed.join(' and ') } data"
      done()

    updater.run()
