README.md in secure_headers-2.2.1 vs README.md in secure_headers-2.2.2

@@ -47,10 +47,10 @@
   config.x_xss_protection = {:value => 1, :mode => 'block'}
   config.x_download_options = 'noopen'
   config.x_permitted_cross_domain_policies = 'none'
   config.csp = {
     :default_src => "https: self",
-    :enforce => proc {|controller| contoller.current_user.enforce_csp? }
+    :enforce => proc {|controller| contoller.current_user.enforce_csp? },
     :frame_src => "https: http:.twimg.com http://itunes.apple.com",
     :img_src => "https:",
     :report_uri => '//example.com/uri-directive'
   }
   config.hpkp = {