FIX : when more than 2 recipes are selected

@@ -46,7 +46,7 @@ app.post('/hook', function (req, res) {
             }
             }
         }
         }
         if (arr.length != 0) {
         if (arr.length != 0) {
-            var num = Math.floor(Math.random() * arr.length);
+            var num = arr[Math.floor(Math.random() * arr.length)];
             request.post(
             request.post(
                 {
                 {
                     url: TARGET_URL,
                     url: TARGET_URL,