docs: clarify unit transition examples

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Sameh Khamis committed 2026-10-25 08:49:00 -07:00
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@@ -4082,7 +4082,8 @@ The layer holds continuous render only while a route is drawn (the dashes
animate). Disable clears all state.
Route distance labels round to the nearest ten metres before selecting the
unit, so 995 metres and above display as `1.0 km` rather than `1000 m`.
unit, switching to kilometres at 995 metres; a 996-metre leg displays as
`1.0 km` rather than `1000 m`.
**Keys needed: none.** Directions works on a keyless boot, and the layer is off
until the operator turns it on.