updating for another test run

doc/release-notes/7863-metadata-fields.md

@@ -2,4 +2,4 @@
 
 The Search API now allows arbitrary metadata fields to be requested when displaying results from datasets. You can request all fields from metadata blocks or pick and choose certain fields.
 
-The new parameter is called `metadata_fields` and the Search API documentation contains details and examples: https://guides.dataverse.org/en/5.x/api/search.html
+The new parameter is called `metadata_fields` and the Search API documentation contains details and examples: https://guides.dataverse.org/en/5.9/api/search.html