Update README.md

Author: nin9s

README.md

@@ -40,7 +40,7 @@ The result will look like this:
 11. restart pi-hole
 
 ### KIBANA HOST (CAN BE THE SAME AS LOGSTASH AND ELASTICSEARCH)
-12. import "elk-hole *.json" into kibana: management - saved objects - import
+12. import suitable "json/elk-hole *.json" for your version into kibana: management - saved objects - import
 13. optionally reload kibanas field list