fix missing *

The missing * causes the text to be in the box to be displayed incorrectly.

docs/sources/features/datasources/elasticsearch.md

@@ -115,7 +115,7 @@ The Elasticsearch data source supports two types of queries you can use in the *
 
 Query | Description
 ------------ | -------------
-*{"find": "fields", "type": "keyword"} | Returns a list of field names with the index type `keyword`.
+*{"find": "fields", "type": "keyword"}* | Returns a list of field names with the index type `keyword`.
 *{"find": "terms", "field": "@hostname", "size": 1000}* |  Returns a list of values for a field using term aggregation. Query will user current dashboard time range as time range for query.
 *{"find": "terms", "field": "@hostname", "query": '<lucene query>'}* | Returns a list of values for a field using term aggregation & and a specified lucene query filter. Query will use current dashboard time range as time range for query.