diff --git a/src/ol/PluggableMap.js b/src/ol/PluggableMap.js
index 4d8dfdb557..72547772d3 100644
--- a/src/ol/PluggableMap.js
+++ b/src/ol/PluggableMap.js
@@ -1480,7 +1480,7 @@ class PluggableMap extends BaseObject {
 
   /**
    * Set the target element to render this map into.
-   * @param {HTMLElement|string|undefined} target The Element or id of the Element
+   * @param {HTMLElement|string} [target] The Element or id of the Element
    *     that the map is rendered in.
    * @observable
    * @api