README.md in fluent-plugin-festival-0.0.9

- old
+ new

@@ -79,10 +79,10 @@
       "timestamp": {
         "type": "date",
         "format": "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
       },
       "resourceName": {
-        "type": "string"
+        "type": "keyword"
       },
       "dataValue": {
         "type": "double"
       }
     }