Minor style change to getting-started.asciidoc (#21571)

* In line 525, change the phrase "... with as little network roundtrips as possible." to "... with as few network roundtrips as possible."

Author: Bryan Karlovitz

docs/reference/getting-started.asciidoc

@@ -522,7 +522,7 @@ instead of deleting all documents with the Delete By Query API.
 
 === Batch Processing
 
-In addition to being able to index, update, and delete individual documents, Elasticsearch also provides the ability to perform any of the above operations in batches using the <<docs-bulk,`_bulk` API>>. This functionality is important in that it provides a very efficient mechanism to do multiple operations as fast as possible with as little network roundtrips as possible.
+In addition to being able to index, update, and delete individual documents, Elasticsearch also provides the ability to perform any of the above operations in batches using the <<docs-bulk,`_bulk` API>>. This functionality is important in that it provides a very efficient mechanism to do multiple operations as fast as possible with as few network roundtrips as possible.
 
 As a quick example, the following call indexes two documents (ID 1 - John Doe and ID 2 - Jane Doe) in one bulk operation: