diff --git a/demo/kitchen-sink/modelist.js b/demo/kitchen-sink/modelist.js
index d369c251..20cb0137 100644
--- a/demo/kitchen-sink/modelist.js
+++ b/demo/kitchen-sink/modelist.js
@@ -59,7 +59,7 @@ var modesByName = {
     jsx:        ["JSX"          , "jsx"],
     latex:      ["LaTeX"        , "latex|tex|ltx|bib"],
     less:       ["LESS"         , "less"],
-    lisp:       ["Lisp"         , "lisp"],
+    lisp:       ["Lisp"         , "lisp|scm|rkt"],
     liquid:     ["Liquid"       , "liquid"],
     lua:        ["Lua"          , "lua"],
     luapage:    ["LuaPage"      , "lp"], // http://keplerproject.github.com/cgilua/manual.html#templates