# File lib/nanoc3/cli/commands/update.rb, line 19 def long_desc 'Update the data stored by the data source to a newer format. The ' + 'format in which data is stored can change between releases, and ' + 'even though backward compatibility is usually preserved, it is ' + 'often a good idea to store the site data in a newer format so newer ' + 'features can be taken advantage of.' + "\n" + 'This command will change data, and it is therefore recommended to ' + 'make a backup in case something goes wrong.' end