Use heading rather than <hr>

docs/content/reference/data_types/point2d.md

@@ -8,18 +8,16 @@ It is compatible with `AnnotationContext` (TODO: link). `class_id` can be used t
 annotation context, and `keypoint_id` can be used to make connected edges between points. See examples in the `AnnotationContext` documentation.
 
 `draw_order` can be used to control how the `Point2d` entities are drawn relative to other objects within the scene. Higher values are drawn on top of lower values.
-___
+
+## Components and APIs
+
 Primary component: `point2d`
 
 Secondary components: `colorrgba`, `radius`, `label`, `class_id`, `keypoint_id`, `draw_order`
-___
-Python APIs:
-* [log_point](https://ref.rerun.io/docs/python/latest/common/spatial_primitives/#rerun.log_point),
-* [log_points](https://ref.rerun.io/docs/python/latest/common/spatial_primitives/#rerun.log_points)
-___
-Rust API:
-* [Point2D](https://docs.rs/rerun/latest/rerun/components/struct.Point2D.html)
-___
+
+Python APIs: [log_point](https://ref.rerun.io/docs/python/latest/common/spatial_primitives/#rerun.log_point), [log_points](https://ref.rerun.io/docs/python/latest/common/spatial_primitives/#rerun.log_points)
+
+Rust API: [Point2D](https://docs.rs/rerun/latest/rerun/components/struct.Point2D.html)
 
 ## Simple Example