docs(kibana): information about logstash index

README.md

@@ -52,14 +52,15 @@ $ nc localhost 5000 < /path/to/logfile.log
 
 And then access Kibana UI by hitting [http://localhost:5601](http://localhost:5601) with a web browser.
 
-*NOTE*: You'll need to create an index for logstash in Kibana, you should just have to hit the create button.
+*NOTE*: You'll need to inject data into logstash before being able to create a logstash index in Kibana. Then all you should have to do is to
+hit the create button.
 
 See: https://www.elastic.co/guide/en/kibana/current/setup.html#connect
 
 You can also access:
 * Sense: [http://localhost:5601/app/sense](http://localhost:5601/app/sense)
 
-*Note*: In order to use Sense, you'll need to query the IP address associated to your *network device* instead of localhost.
+*NOTE*: In order to use Sense, you'll need to query the IP address associated to your *network device* instead of localhost.
 
 By default, the stack exposes the following ports:
 * 5000: Logstash TCP input.