diff --git a/src/ol/geom/circle.js b/src/ol/geom/circle.js
index e324b9b558..959f7b8bec 100644
--- a/src/ol/geom/circle.js
+++ b/src/ol/geom/circle.js
@@ -29,7 +29,8 @@ goog.inherits(ol.geom.Circle, ol.geom.SimpleGeometry);
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.Circle} Clone.
  * @api
  */
 ol.geom.Circle.prototype.clone = function() {
diff --git a/src/ol/geom/geometrycollection.js b/src/ol/geom/geometrycollection.js
index 4c4f0631f7..13258a913d 100644
--- a/src/ol/geom/geometrycollection.js
+++ b/src/ol/geom/geometrycollection.js
@@ -83,7 +83,8 @@ ol.geom.GeometryCollection.prototype.listenGeometriesChange_ = function() {
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.GeometryCollection} Clone.
  * @api stable
  */
 ol.geom.GeometryCollection.prototype.clone = function() {
diff --git a/src/ol/geom/linearring.js b/src/ol/geom/linearring.js
index 42aac8aade..11d8a3bb1b 100644
--- a/src/ol/geom/linearring.js
+++ b/src/ol/geom/linearring.js
@@ -46,7 +46,8 @@ goog.inherits(ol.geom.LinearRing, ol.geom.SimpleGeometry);
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.LinearRing} Clone.
  * @api stable
  */
 ol.geom.LinearRing.prototype.clone = function() {
diff --git a/src/ol/geom/linestring.js b/src/ol/geom/linestring.js
index 12a0529343..d03ece4d33 100644
--- a/src/ol/geom/linestring.js
+++ b/src/ol/geom/linestring.js
@@ -75,7 +75,8 @@ ol.geom.LineString.prototype.appendCoordinate = function(coordinate) {
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.LineString} Clone.
  * @api stable
  */
 ol.geom.LineString.prototype.clone = function() {
diff --git a/src/ol/geom/multilinestring.js b/src/ol/geom/multilinestring.js
index e508833234..20fb841c1f 100644
--- a/src/ol/geom/multilinestring.js
+++ b/src/ol/geom/multilinestring.js
@@ -71,7 +71,8 @@ ol.geom.MultiLineString.prototype.appendLineString = function(lineString) {
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.MultiLineString} Clone.
  * @api stable
  */
 ol.geom.MultiLineString.prototype.clone = function() {
diff --git a/src/ol/geom/multipoint.js b/src/ol/geom/multipoint.js
index 3418deebdd..10322338e1 100644
--- a/src/ol/geom/multipoint.js
+++ b/src/ol/geom/multipoint.js
@@ -46,7 +46,8 @@ ol.geom.MultiPoint.prototype.appendPoint = function(point) {
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.MultiPoint} Clone.
  * @api stable
  */
 ol.geom.MultiPoint.prototype.clone = function() {
diff --git a/src/ol/geom/multipolygon.js b/src/ol/geom/multipolygon.js
index 641b615772..71d873465a 100644
--- a/src/ol/geom/multipolygon.js
+++ b/src/ol/geom/multipolygon.js
@@ -109,7 +109,8 @@ ol.geom.MultiPolygon.prototype.appendPolygon = function(polygon) {
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.MultiPolygon} Clone.
  * @api stable
  */
 ol.geom.MultiPolygon.prototype.clone = function() {
diff --git a/src/ol/geom/point.js b/src/ol/geom/point.js
index 53cdadd8cb..54c3ac6f32 100644
--- a/src/ol/geom/point.js
+++ b/src/ol/geom/point.js
@@ -28,7 +28,8 @@ goog.inherits(ol.geom.Point, ol.geom.SimpleGeometry);
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.Point} Clone.
  * @api stable
  */
 ol.geom.Point.prototype.clone = function() {
diff --git a/src/ol/geom/polygon.js b/src/ol/geom/polygon.js
index 4c5b266539..47ca80d83f 100644
--- a/src/ol/geom/polygon.js
+++ b/src/ol/geom/polygon.js
@@ -99,7 +99,8 @@ ol.geom.Polygon.prototype.appendLinearRing = function(linearRing) {
 
 
 /**
- * @inheritDoc
+ * Make a complete copy of the geometry.
+ * @return {!ol.geom.Polygon} Clone.
  * @api stable
  */
 ol.geom.Polygon.prototype.clone = function() {