index.asciidoc in logstash-input-elasticsearch-4.3.1

- old
+ new

@@ -161,14 +161,13 @@
 ===== `docinfo_fields` 
 
   * Value type is <<array,array>>
   * Default value is `["_index", "_type", "_id"]`
 
-If document metadata storage is requested by enabling the `docinfo`
-option, this option lists the metadata fields to save in the current
-event. See
-http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_document_metadata.html[Document Metadata]
-in the Elasticsearch documentation for more information.
+If document metadata storage is requested by enabling the `docinfo` option, this
+option lists the metadata fields to save in the current event. See
+{ref}/mapping-fields.html[Meta-Fields] in the Elasticsearch documentation for
+more information.
 
 [id="plugins-{type}s-{plugin}-docinfo_target"]
 ===== `docinfo_target` 
 
   * Value type is <<string,string>>
\ No newline at end of file