Update docs/maps/maps-aggregations.asciidoc

Co-Authored-By: gchaps <33642766+gchaps@users.noreply.github.com>

Author: nreese

docs/maps/maps-aggregations.asciidoc

@@ -47,7 +47,7 @@ To enable top hits:
 . Set *Entity* to the field that identifies entities in your documents.
 This field will be used in the terms aggregation to group your documents into entity buckets.
 . Set *Documents per entity* to configure the maximum number of documents accumulated per entity.
-This setting is limited to `index.max_inner_result_window` index setting, which defaults to 100.
+This setting is limited to the `index.max_inner_result_window` index setting, which defaults to 100.
 
 [role="screenshot"]
 image::maps/images/top_hits.png[]