Use correct distance unit for repository query method documentation.

Closes #2823

Author: knightdreams6

src/main/antora/modules/ROOT/pages/redis/redis-repositories/indexes.adoc

@@ -157,7 +157,7 @@ rand.setAddress(new Address(new Point(13.361389D, 38.115556D)));
 
 repository.save(rand);                                                        <3>
 
-repository.findByAddressLocationNear(new Point(15D, 37D), new Distance(200)); <4>
+repository.findByAddressLocationNear(new Point(15D, 37D), new Distance(200, Metrics.KILOMETERS)); <4>
 ----
 
 <1> Query method declaration on a nested property, using `Point` and `Distance`.