diff --git a/src/ol/style/circlestyle.js b/src/ol/style/circlestyle.js
index 7f9c268541..0d209ba876 100644
--- a/src/ol/style/circlestyle.js
+++ b/src/ol/style/circlestyle.js
@@ -120,7 +120,8 @@ ol.style.Circle.prototype.getHitDetectionImage = function(pixelRatio) {
 
 
 /**
- * @inheritDoc
+ * @param {number} pixelRatio Pixel ratio.
+ * @return {HTMLCanvasElement} Canvas element.
  * @api
  */
 ol.style.Circle.prototype.getImage = function(pixelRatio) {
diff --git a/src/ol/style/iconstyle.js b/src/ol/style/iconstyle.js
index e7f20f2120..c82881420a 100644
--- a/src/ol/style/iconstyle.js
+++ b/src/ol/style/iconstyle.js
@@ -228,7 +228,8 @@ ol.style.Icon.prototype.getAnchor = function() {
 
 
 /**
- * @inheritDoc
+ * @param {number} pixelRatio Pixel ratio.
+ * @return {Image} Image element.
  * @api
  */
 ol.style.Icon.prototype.getImage = function(pixelRatio) {
diff --git a/src/ol/style/imagestyle.js b/src/ol/style/imagestyle.js
index 2f57b34337..35c3a3ac16 100644
--- a/src/ol/style/imagestyle.js
+++ b/src/ol/style/imagestyle.js
@@ -26,10 +26,12 @@ ol.style.ImageOptions;
 
 /**
  * @classdesc
- * Set image style for vector features.
+ * Abstract base class; used for creating subclasses and not instantiated in
+ * apps. Base class for {@link ol.style.Icon} and {@link ol.style.Circle}.
  *
  * @constructor
  * @param {ol.style.ImageOptions} options Options.
+ * @api
  */
 ol.style.Image = function(options) {
 
@@ -119,6 +121,7 @@ ol.style.Image.prototype.getAnchor = goog.abstractMethod;
  * @function
  * @param {number} pixelRatio Pixel ratio.
  * @return {HTMLCanvasElement|HTMLVideoElement|Image} Image element.
+ * @api
  */
 ol.style.Image.prototype.getImage = goog.abstractMethod;