diff --git a/lib/jekyll/deprecator.rb b/lib/jekyll/deprecator.rb
index 9ec5857e..dfd3183c 100644
--- a/lib/jekyll/deprecator.rb
+++ b/lib/jekyll/deprecator.rb
@@ -21,7 +21,7 @@ module Jekyll
     def no_subcommand(args)
       if args.size > 0 && args.first =~ /^--/ && !%w[--help --version].include?(args.first)
         deprecation_message "Jekyll now uses subcommands instead of just \
-                            switches. Run `jekyll --help' to find out more."
+                            switches. Run `jekyll --help` to find out more."
       end
     end