diff --git a/src/ol/geom/multipoint.js b/src/ol/geom/multipoint.js
index 707b827764..0e1135ecf8 100644
--- a/src/ol/geom/multipoint.js
+++ b/src/ol/geom/multipoint.js
@@ -32,6 +32,7 @@ goog.inherits(ol.geom.MultiPoint, ol.geom.SimpleGeometry);
 
 
 /**
+ * Append the passed point to this multipoint.
  * @param {ol.geom.Point} point Point.
  * @api stable
  */
@@ -87,6 +88,7 @@ ol.geom.MultiPoint.prototype.closestPointXY =
 
 
 /**
+ * Return the coordinates of the multipoint.
  * @return {Array.<ol.Coordinate>} Coordinates.
  * @api stable
  */
@@ -97,6 +99,7 @@ ol.geom.MultiPoint.prototype.getCoordinates = function() {
 
 
 /**
+ * Return the point at the specified index.
  * @param {number} index Index.
  * @return {ol.geom.Point} Point.
  * @api stable
@@ -117,6 +120,7 @@ ol.geom.MultiPoint.prototype.getPoint = function(index) {
 
 
 /**
+ * Return the points of this multipoint.
  * @return {Array.<ol.geom.Point>} Points.
  * @api stable
  */
@@ -165,6 +169,7 @@ ol.geom.MultiPoint.prototype.intersectsExtent = function(extent) {
 
 
 /**
+ * Set the coordinates of the multipoint.
  * @param {Array.<ol.Coordinate>} coordinates Coordinates.
  * @param {ol.geom.GeometryLayout=} opt_layout Layout.
  * @api stable