[DOCS] Clarify description of geo_results (elastic#91237)

Author: lcawl

docs/reference/ml/anomaly-detection/apis/get-record.asciidoc

@@ -142,15 +142,19 @@ configuration. For example, `max`.
 (string) The description of the function in which the anomaly occurs, as
 specified in the detector configuration.
 
-`geo_results.actual_point`::
-(string) The actual value for the bucket formatted as a `geo_point`. If the
-detector function is `lat_long`, this is a comma delimited string of the
-latitude and longitude.
-
-`geo_results.typical_point`::
-(string) The typical value for the bucket formatted as a `geo_point`. If the
-detector function is `lat_long`, this is a comma delimited string of the
-latitude and longitude.
+`geo_results`::
+(optional, object) If the detector function is `lat_long`, this object contains
+comma delimited strings for the latitude and longitude of the actual and typical values.  
++
+.Properties of `geo_results`
+[%collapsible%open]
+====
+`actual_point`::
+(string) The actual value for the bucket formatted as a `geo_point`.
+
+`typical_point`::
+(string) The typical value for the bucket formatted as a `geo_point`.
+====
 
 `influencers`::
 (array) If `influencers` was specified in the detector configuration, this array