Fix typo

Author: alecarg

db.json

@@ -11,12 +11,12 @@
       "dateEnd": "25th of September",
       "rewards": [
         {
-          "name": "Amazon Voucher (UK)"
+          "name": "Amazon Voucher (UK)",
           "monetaryValue": "£10",
           "followers": "2000 to 5000"
         },
         {
-          "name": "Amazon Voucher (UK)"
+          "name": "Amazon Voucher (UK)",
           "monetaryValue": "£20",
           "followers": "5000 or more"
         }