Typo in example.

Author: abi

examples/example.coffee

@@ -8,7 +8,7 @@ eq read('TEST'), 'Hola world!'
 eq ('TEST' in ls('.')), true
 rm 'TEST' 
 eq ('TEST' in ls('.')), false
-eq exists('TESTS'), false
+eq exists('TEST'), false
 
 get 'http://google.com', (err, res, body) ->
     ok body.substr('google') isnt -1