diff --git a/src/ol/geolocation.js b/src/ol/geolocation.js
index d5cf49ac84..8ccd4fb09b 100644
--- a/src/ol/geolocation.js
+++ b/src/ol/geolocation.js
@@ -169,7 +169,7 @@ ol.Geolocation.prototype.positionChange_ = function(position) {
   this.set(ol.GeolocationProperty.POSITION, projectedPosition);
   this.set(ol.GeolocationProperty.SPEED,
       goog.isNull(coords.speed) ? undefined : coords.speed);
-  var geometry = ol.geom.Polygon.circular(
+  var geometry = ol.geom.Polygon.createCircularOnSphere(
       ol.sphere.WGS84, this.position_, coords.accuracy);
   geometry.applyTransform(this.transform_);
   this.set(ol.GeolocationProperty.ACCURACY_GEOMETRY, geometry);
diff --git a/src/ol/geom/polygon.js b/src/ol/geom/polygon.js
index 2532ce1b2e..117edbc54a 100644
--- a/src/ol/geom/polygon.js
+++ b/src/ol/geom/polygon.js
@@ -351,10 +351,12 @@ ol.geom.Polygon.prototype.setFlatCoordinates =
 /**
  * Create an approximation of a circle on the surface of a sphere.
  * @param {ol.Sphere} sphere The sphere.
- * @param {ol.Coordinate} center Center.
- * @param {number} radius Radius.
- * @param {number=} opt_n Optional number of points.  Default is `32`.
- * @return {ol.geom.Polygon} Circle geometry.
+ * @param {ol.Coordinate} center Center (`[lon, lat]` in degrees).
+ * @param {number} radius The great-circle distance from the center to
+ *     the polygon vertices.
+ * @param {number=} opt_n Optional number of vertices for the resulting
+ *     polygon. Default is `32`.
+ * @return {ol.geom.Polygon} The "circular" polygon.
  * @api stable
  */
 ol.geom.Polygon.createCircularOnSphere =