tasks/rubocop.rake in nanoc-3.7.4 vs tasks/rubocop.rake in nanoc-3.7.5

@@ -4,7 +4,7 @@
   RuboCop::RakeTask.new(:rubocop) do |task|
     task.options  = %w( --display-cop-names --format simple )
     task.patterns = ['lib/**/*.rb']
   end
 rescue LoadError
-  warn "Could not load RuboCop. RuboCop rake tasks will be unavailable."
+  warn 'Could not load RuboCop. RuboCop rake tasks will be unavailable.'
 end