Corrected README.md file
diff --git a/src/plugin/indexer-elastic/README.md b/src/plugin/indexer-elastic/README.md
index b2a875b..bccadf7 100644
--- a/src/plugin/indexer-elastic/README.md
+++ b/src/plugin/indexer-elastic/README.md
@@ -30,7 +30,7 @@
Parameter Name | Description | Default value
--|--|--
-host | Comma-separated list of hostnames to send documents to using [TransportClient](https://static.javadoc.io/org.elasticsearch/elasticsearch/5.3.0/org/elasticsearch/client/transport/TransportClient.html). Either host and port must be defined or cluster. |
+host | Comma-separated list of hostnames to send documents to using [TransportClient](https://static.javadoc.io/org.elasticsearch/elasticsearch/5.3.0/org/elasticsearch/client/transport/TransportClient.html). Either host and port must be defined. |
port | The port to connect to using [TransportClient](https://static.javadoc.io/org.elasticsearch/elasticsearch/5.3.0/org/elasticsearch/client/transport/TransportClient.html). | 9300
index | Default index to send documents to. | nutch
username | Username for auth credentials | elastic
