facilitate route editing on touch devices

website/src/lib/docs/en/toolbar/routing.mdx

@@ -50,6 +50,7 @@ Creating a route or extending an existing one is as simple as clicking on the ma
 You can also drag an existing anchor point to reroute the segment connecting it with the previous and next anchor points.
 
 Furthermore, new anchor points can be inserted between existing ones by hovering over the segment connecting them and dragging the anchor point that appears to the desired location.
+On touch devices, you can tap on the segment to insert a new anchor point.
 
 <DocsNote>