Added second example

snippets/negate.md

@@ -9,6 +9,6 @@ const negate = func => (...args) => {
   return !func(...args);
 }
 
-// filter([1, 2, 3, 4, 5, 6], negate(isEven));
-// => [1, 3, 5]
+// filter([1, 2, 3, 4, 5, 6], negate(isEven)) -> [1, 3, 5]
+// negate(isOdd)(1) -> false
 ```