Updated due to PR #38.

README.md

@@ -137,7 +137,7 @@ Following are the descriptions of parameters included in the above XML.
 - `cookie-secure`: Specifies whether the cookie only be sent using a secure protocol. Its default value is false.
 - `cookie-http-only`: Specifies whether the attribute `HttpOnly` cab be set on cookie. Its default value is false.
 - `config-location`: Location of Hazelcast configuration. It can be specified as a servlet resource, classpath resource or as a URL. Its default value is `hazelcast-default.xml` or `hazelcast.xml` in the classpath.
-- `instance-name`: Name of an existing Hazelcast instance, if you want to use it. Its default value is null.
+- `instance-name`: Name of an existing Hazelcast instance, if you want to use it. Its default value is null. If you do not have an instance, then you should create one.
 - `use-client`: Specifies whether you want to connect to an existing cluster as a client. Its default value is false.
 - `client-config-location`: Location of the client's configuration. It can be specified as a servlet resource, classpath resource or as a URL. Its default value is null.
 - `shutdown-on-destroy`: Specifies whether you want to shut down the Hazelcast instance during the undeployment of your web application. Its default value is true.