Put .sjs into the require() string - while optional, the Node devs wish they didn't make it optional.

node-loader.md

@@ -4,7 +4,7 @@ If you'd like to skip using the `sjs` binary to compile your sweet.js code, you
 
 ```js
 var sjs = require('sweet.js'),
-    example = require('./example');
+    example = require('./example.sjs');
 
 example.one;
 ```