Update index.json

index.json

@@ -16,7 +16,7 @@ PUT twint
         "user_id": {"type": "keyword"},
         "username": {"type": "keyword"},
         "day": {"type": "keyword"},
-        "hour": {"type": "keyword"}
+        "hour": {"type": "keyword"},
         "link": {"type": "text"}
       }
     }