[maps] Top hits per entity--change to title to use recent, minor edits (

elastic#89254)

* [maps] Top hits per entity--change to title to use recent, minor edits

* Updated TopHitsPerEntity title and description to use the term relevant

* updating top hits per entity topic to new title

Co-authored-by: Kent Marten <kmartastic@users.noreply.github.com>
Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

docs/maps/maps-aggregations.asciidoc

@@ -68,9 +68,9 @@ To enable a blended layer that dynamically shows clusters or documents:
 
 [role="xpack"]
 [[maps-top-hits-aggregation]]
-=== Top hits per entity
+=== Display the most relevant documents per entity
 
-You can display the most relevant documents per entity, for example, the most recent GPS tracks per flight.
+Use *Top hits per entity* to display the most relevant documents per entity, for example, the most recent GPS tracks per flight route.
 To get this data, {es} first groups your data using a {ref}/search-aggregations-bucket-terms-aggregation.html[terms aggregation],
 then accumulates the most relevant documents based on sort order for each entry using a {ref}/search-aggregations-metrics-top-hits-aggregation.html[top hits metric aggregation].