diff --git a/README.md b/README.md
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+++ b/README.md
@@ -14,7 +14,7 @@ capabilities, three outputs, one shared library, one build.
 
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-| 🗺️ **Two map engines** | Every map draws with **Mapbox** or **MapLibre** (free, no key) — switch with `"provider"` in its settings or `?provider=maplibre` in the address. Mapbox is the default. |
+| 🗺️ **Two map engines** | Every map draws with **Mapbox** or **MapLibre** (free, no key) — switch with `"provider"` in its settings or `?provider=maplibre` in the address. By default it uses Mapbox when a token is available, MapLibre otherwise. |
 | 🔑 **A key or a key service** | Give Mapbox a public token, or the address of a token service that hands one out — set once in the Plugin Studio header. |
 | 🌍 **11 languages** | `?lang=` or `"locale"`, with Arabic right to left — [Languages](#languages). |
 | 🧩 **Web components** | Each map is its own HTML tag, like `<all-people-groups>`, that works on any page — no framework needed. |