diff --git a/source/Ox/js/Function.js b/source/Ox/js/Function.js
index f59f1c18..ae081adc 100644
--- a/source/Ox/js/Function.js
+++ b/source/Ox/js/Function.js
@@ -2,11 +2,11 @@
 /*@
 Ox.cache <f> Memoize a function
     <script>
-        var f = Ox.cache(function(n) { return n * Math.random(); });
+        Ox.test.fn = Ox.cache(function(n) { return n * Math.random(); });
     </script>
-    > f(10) == f(10);
+    > Ox.test.fn(10) == Ox.test.fn(10);
     true
-    > f(10) == f.clear()(10);
+    > Ox.test.fn(10) == Ox.test.fn.clear()(10);
     false
 @*/
 Ox.cache = function(fn) {