chore: update cluster-dbscan docs (#2624)

Co-authored-by: Matt Fedderly <[email protected]>

Author: mwenko

packages/turf-clusters-dbscan/README.md

@@ -9,7 +9,7 @@ Takes a set of [points][1] and partition them into clusters according to [https:
 ### Parameters
 
 *   `points` **[FeatureCollection][3]<[Point][1]>** to be clustered
-*   `maxDistance` **[number][4]** Maximum Distance between any point of the cluster to generate the clusters (kilometers only)
+*   `maxDistance` **[number][4]** Maximum Distance between any point of the cluster to generate the clusters (kilometers by default, see options)
 *   `options` **[Object][5]** Optional parameters (optional, default `{}`)
 
     *   `options.units` **[string][6]** in which `maxDistance` is expressed, can be degrees, radians, miles, or kilometers (optional, default `"kilometers"`)

packages/turf-clusters-dbscan/index.ts

@@ -24,7 +24,7 @@ type IndexedPoint = {
  *
  * @name clustersDbscan
  * @param {FeatureCollection<Point>} points to be clustered
- * @param {number} maxDistance Maximum Distance between any point of the cluster to generate the clusters (kilometers only)
+ * @param {number} maxDistance Maximum Distance between any point of the cluster to generate the clusters (kilometers by default, see options)
  * @param {Object} [options={}] Optional parameters
  * @param {string} [options.units="kilometers"] in which `maxDistance` is expressed, can be degrees, radians, miles, or kilometers
  * @param {boolean} [options.mutate=false] Allows GeoJSON input to be mutated