| Parameter | Value | Default |
|-----------| ----- | ------- |
-| layers | comma-separated list of: `address`, `poi`, `railway`, `natural`, `manmade` | _unset_ (no restriction) |
+| layer | comma-separated list of: `address`, `poi`, `railway`, `natural`, `manmade` | _unset_ (no restriction) |
-The layers filter allows to select places by themes.
+The layer filter allows to select places by themes.
The `address` layer contains all places that make up an address:
address points with house numbers, streets, inhabited places (suburbs, villages,
Note that in Nominatim's standard configuration, only very few railway
features are imported into the database.
-The `natural` layer collects feautures like rivers, lakes and mountains. While
+The `natural` layer collects feautures like rivers, lakes and mountains while
the `manmade` layer functions as a catch-all for features not covered by the
other layers.
|-----------| ----- | ------- |
| polygon_threshold | floating-point number | 0.0 |
-When one og the polygon_* outputs is chosen, return a simplified version
+When one of the polygon_* outputs is chosen, return a simplified version
of the output geometry. The parameter describes the
tolerance in degrees with which the geometry may differ from the original
geometry. Topology is preserved in the geometry.
object in reality. The simplest case is a street being split into many
different OSM ways due to different characteristics. Nominatim will
attempt to detect such duplicates and only return one match. Setting
-this parameter is set to 0 disables this deduplication mechanism and
+this parameter to 0 disables this deduplication mechanism and
ensures that all results are returned.
| Parameter | Value | Default |