diff --git a/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.c b/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.c
index a0396be010..a187186353 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.c
@@ -199,7 +199,7 @@ gst_navigation_send_command (GstNavigation * navigation,
 /**
  * gst_navigation_send_event_simple:
  * @navigation: The navigation interface instance
- * @event: The event to send
+ * @event: (transfer full): The event to send
  *
  * Sends an event to the navigation interface.
  * Since: 1.22
diff --git a/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.h b/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.h
index 626a3f910c..e789c25a32 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.h
+++ b/subprojects/gst-plugins-base/gst-libs/gst/video/navigation.h
@@ -64,6 +64,8 @@ struct _GstNavigationInterface {
 
   /**
    * GstNavigationInterface::send_event_simple:
+   * @navigation: The navigation interface instance
+   * @event: (transfer full): The event to send
    *
    * sending a navigation event.
    *