diff --git a/src/ol/layer/Base.js b/src/ol/layer/Base.js
index d9092edc62..2c8ba2d79c 100644
--- a/src/ol/layer/Base.js
+++ b/src/ol/layer/Base.js
@@ -12,7 +12,7 @@ import {assign} from '../obj.js';
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.
diff --git a/src/ol/layer/Group.js b/src/ol/layer/Group.js
index 1c684987c6..1b9c9e42c6 100644
--- a/src/ol/layer/Group.js
+++ b/src/ol/layer/Group.js
@@ -19,7 +19,7 @@ import SourceState from '../source/State.js';
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.
diff --git a/src/ol/layer/Heatmap.js b/src/ol/layer/Heatmap.js
index 84b5f940fa..a070127247 100644
--- a/src/ol/layer/Heatmap.js
+++ b/src/ol/layer/Heatmap.js
@@ -17,7 +17,7 @@ import Style from '../style/Style.js';
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.
diff --git a/src/ol/layer/Image.js b/src/ol/layer/Image.js
index ee965cd1c7..1f8e5a1b94 100644
--- a/src/ol/layer/Image.js
+++ b/src/ol/layer/Image.js
@@ -10,7 +10,7 @@ import Layer from '../layer/Layer.js';
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.
diff --git a/src/ol/layer/Layer.js b/src/ol/layer/Layer.js
index e77863d241..855c5453b0 100644
--- a/src/ol/layer/Layer.js
+++ b/src/ol/layer/Layer.js
@@ -16,7 +16,7 @@ import SourceState from '../source/State.js';
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.
diff --git a/src/ol/layer/Tile.js b/src/ol/layer/Tile.js
index c00349f5a2..da7a095854 100644
--- a/src/ol/layer/Tile.js
+++ b/src/ol/layer/Tile.js
@@ -12,7 +12,7 @@ import {assign} from '../obj.js';
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.
diff --git a/src/ol/layer/Vector.js b/src/ol/layer/Vector.js
index e2a8fdaa62..7934a78ae5 100644
--- a/src/ol/layer/Vector.js
+++ b/src/ol/layer/Vector.js
@@ -13,7 +13,7 @@ import {createDefaultStyle, toFunction as toStyleFunction} from '../style/Style.
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.
diff --git a/src/ol/layer/VectorTile.js b/src/ol/layer/VectorTile.js
index 309f6c1f3c..cc29323fff 100644
--- a/src/ol/layer/VectorTile.js
+++ b/src/ol/layer/VectorTile.js
@@ -14,7 +14,7 @@ import {assign} from '../obj.js';
  * @typedef {Object} Options
  * @property {number} [opacity=1] Opacity (0, 1).
  * @property {boolean} [visible=true] Visibility.
- * @property {ol.Extent} [extent] The bounding extent for layer rendering.  The layer will not be
+ * @property {module:ol/extent~Extent} [extent] The bounding extent for layer rendering.  The layer will not be
  * rendered outside of this extent.
  * @property {number} [zIndex=0] The z-index for layer rendering.  At rendering time, the layers
  * will be ordered, first by Z-index and then by position.