readme.md update

Author: renmak

elasticsearch/README.md

@@ -38,7 +38,7 @@ elasticsearch-logging     10.105.222.126   <pending>     9200:31070/TCP
 
 ### Test elasticsearch functionality:
 
-####From any host within cluster..
+#### From any host within cluster..
 
 1) Check if Elasticsearch cluster is up
 ```