diff --git a/src/ol/geom/geometry.js b/src/ol/geom/geometry.js
index 30ecaa7247..3583ccbb9f 100644
--- a/src/ol/geom/geometry.js
+++ b/src/ol/geom/geometry.js
@@ -202,17 +202,18 @@ ol.geom.Geometry.prototype.applyTransform = goog.abstractMethod;
  * @param {ol.Extent} extent Extent.
  * @return {boolean} `true` if the geometry and the extent intersect.
  * @function
- * @api
+ * @api stable
  */
 ol.geom.Geometry.prototype.intersectsExtent = goog.abstractMethod;
 
 
 /**
- * Translate the geometry.
+ * Translate the geometry.  This modifies the geometry coordinates in place.  If
+ * instead you want a new geometry, first `clone()` this geometry.
  * @param {number} deltaX Delta X.
  * @param {number} deltaY Delta Y.
  * @function
- * @api
+ * @api stable
  */
 ol.geom.Geometry.prototype.translate = goog.abstractMethod;
 
diff --git a/src/ol/geom/simplegeometry.js b/src/ol/geom/simplegeometry.js
index 456dc28755..d943f00d95 100644
--- a/src/ol/geom/simplegeometry.js
+++ b/src/ol/geom/simplegeometry.js
@@ -249,10 +249,8 @@ ol.geom.SimpleGeometry.prototype.applyTransform = function(transformFn) {
 
 
 /**
- * Translate the geometry.
- * @param {number} deltaX Delta X.
- * @param {number} deltaY Delta Y.
- * @api
+ * @inheritDoc
+ * @api stable
  */
 ol.geom.SimpleGeometry.prototype.translate = function(deltaX, deltaY) {
   var flatCoordinates = this.getFlatCoordinates();