diff --git a/src/ol/layer/layergroup.js b/src/ol/layer/layergroup.js
index 626dce76f4..a69bfa5425 100644
--- a/src/ol/layer/layergroup.js
+++ b/src/ol/layer/layergroup.js
@@ -144,8 +144,10 @@ ol.layer.Group.prototype.handleLayersRemove_ = function(collectionEvent) {
 
 
 /**
+ * Returns the {@link ol.Collection collection} of {@link ol.layer.Layer layers}
+ * in this group.
  * @return {!ol.Collection.<ol.layer.Base>} Collection of
- * {@link ol.layer.Layer layers} that are part of this group.
+ *   {@link ol.layer.Layer layers} that are part of this group.
  * @observable
  * @api stable
  */
@@ -156,8 +158,10 @@ ol.layer.Group.prototype.getLayers = function() {
 
 
 /**
+ * Set the {@link ol.Collection collection} of {@link ol.layer.Layer layers}
+ * in this group.
  * @param {!ol.Collection.<ol.layer.Base>} layers Collection of
- * {@link ol.layer.Layer layers} that are part of this group.
+ *   {@link ol.layer.Layer layers} that are part of this group.
  * @observable
  * @api stable
  */